Gemstone (English Wikipedia)

"New process promises bigger, better diamond crystals". Carnegie Institution for Science. Archived from the original on December 1, 2010. Retrieved January 7, 2011.

diamonds.net (Global: low place; English: low place)

"Rapaport report of ICA Gemstone Conference in Dubai". Diamonds.net. May 16, 2007. Archived from the original on July 26, 2011. Retrieved July 30, 2010.

doi.org (Global: 2^nd place; English: 2^nd place)

Rossman, George R. (Summer 1981). "Color in Gems: The New Technologies" (PDF). Gems & Gemology. 17 (2). Gemological Institute of America: 70. Bibcode:1981GemG...17...60R. doi:10.5741/GEMS.17.2.60. ISSN 0016-626X. Archived from the original (PDF) on November 12, 2022.
Fisher, Eleanor (July 2007). "Occupying the Margins: Labour Integration and Social Exclusion in Artisanal Mining in Tanzania". Development and Change. 38 (4): 735–760. Bibcode:2007DevCh..38..735F. doi:10.1111/j.1467-7660.2007.00431.x. ISSN 0012-155X.
Hinton, Jennifer J; Veiga, Marcello M; Veiga, A.Tadeu C (March 2003). "Clean artisanal gold mining: a utopian approach?". Journal of Cleaner Production. 11 (2): 99–115. Bibcode:2003JCPro..11...99H. doi:10.1016/s0959-6526(02)00031-8. ISSN 0959-6526.
Takam Tiamgne, Xavier; Kalaba, Felix K.; Nyirenda, Vincent R. (September 2022). "Mining and socio-ecological systems: A systematic review of Sub-Saharan Africa". Resources Policy. 78 102947. Bibcode:2022RePol..7802947T. doi:10.1016/j.resourpol.2022.102947. ISSN 0301-4207.
Dissanayake, C. B.; Rupasinghe, M. S. (October 1996). "Environmental impact of mining, erosion and sedimentation in Sri Lanka". International Journal of Environmental Studies. 51 (1): 35–50. Bibcode:1996IJEnS..51...35D. doi:10.1080/00207239608711069. ISSN 0020-7233.
Elwell, Dennis (1981). Nassau, Kurt (ed.). "Synthetic Gemstones". Science. 211 (4487): 1156. doi:10.1126/science.211.4487.1156.a. ISSN 0036-8075. JSTOR 1685235. PMID 17755153. S2CID 239860410. Archived from the original on April 15, 2023. Retrieved April 15, 2023.
Hervey, P. R.; Foise, J. W. (February 1, 2001). "Synthetic quartz crystal — A review". Mining, Metallurgy & Exploration. 18 (1): 1–4. Bibcode:2001MMExp..18....1H. doi:10.1007/BF03402862. ISSN 2524-3470. S2CID 140031745.
Scheel, Hans J (April 1, 2000). "Historical aspects of crystal growth technology". Journal of Crystal Growth. 211 (1): 1–12. Bibcode:2000JCrGr.211....1S. doi:10.1016/S0022-0248(99)00780-0. ISSN 0022-0248. Archived from the original on April 15, 2023. Retrieved April 15, 2023.
Li, Zhaolin (December 1, 2001). "Study on inclusions in natural and synthetic gems". Chinese Journal of Geochemistry. 20 (4): 324–332. Bibcode:2001Geoch..20..324L. doi:10.1007/BF03166857. ISSN 1993-0364. S2CID 129031255.
Nassau, Kurt (1990). "Synthetic Gem Materials in the 1980s" (PDF). Gems & Gemology. 26 (1): 50–63. Bibcode:1990GemG...26...50N. doi:10.5741/GEMS.26.1.50. Archived (PDF) from the original on November 1, 2021. Retrieved April 15, 2023.
Harris, Daniel C. (September 26, 2003). Tustison, Randal W. (ed.). "A peek into the history of sapphire crystal growth". Window and Dome Technologies VIII. 5078. SPIE: 1–11. Bibcode:2003SPIE.5078....1H. doi:10.1117/12.501428. S2CID 109528895.
Hainschwang, Thomas; Notari, Franck; Massi, Laurent; Armbruster, Thomas; Rondeau, Benjamin; Fritsch, Emmanuel; Nagashima, Mariko (Summer 2010). "Hibonite: A New Gem Mineral" (PDF). Gems & Gemology. 46 (2): 135–138. Bibcode:2010GemG...46..135H. doi:10.5741/GEMS.46.2.135. Archived (PDF) from the original on December 13, 2017.

farlang.com (Global: low place; English: low place)

Church, A.H. (1905). "Definition of Precious Stones". Precious Stones considered in their scientific and artistic relations. His Majesty's Stationery Office, Wyman & Sons. p. 11. Archived from the original on September 29, 2007 – via Farlang.com.

ft.com (Global: 210^th place; English: 157^th place)

Palmer, Caroline (July 6, 2025). "Industry takes harder line on synthetic gemstone trade". Financial Times. Retrieved September 29, 2025.

gem5.com (Global: low place; English: low place)

"Soft Gemstones and Minerals | Gem5.com". gem5.com. Retrieved March 1, 2024.

gemporia.com (Global: low place; English: low place)

"Zoning (Colour Banding)". www.gemporia.com. Retrieved March 1, 2024.

gemsociety.org (Global: low place; English: low place)

"Gemstone Hardness and Wearability". International Gem Society.
"A Guide to Gem Cutting Styles". International Gem Society.
Arem, Joel. "Understanding Gem Synthetics, Treatments, And Imitations, Part 4: Synthetic Gemstone Guide". International Gem Society. Archived from the original on March 22, 2023. Retrieved March 30, 2023.

gemstones.com (Global: low place; English: low place)

"Gemopedia – Gemstone Encyclopedia". gemstones.com. Retrieved March 1, 2024.
"Gemstone Identification: How to Identify Gemstones | Gemstones.com". www.gemstones.com. Retrieved March 1, 2024.

geology.com (Global: 4,842^nd place; English: 4,470^th place)

"Crystal Habits and Forms of Minerals and Gems". geology.com. Retrieved March 1, 2024.
"Ruby and Sapphire: Gems of the Mineral Corundum". geology.com. Retrieved March 1, 2024.

geoscienceworld.org (Global: 3,158^th place; English: 2,299^th place)

pubs.geoscienceworld.org

Lefever, R (1982). "Synthetic emerald". American Mineralogist. 47 (11–12): 1450–1453. Retrieved March 15, 2023.

gia.edu (Global: low place; English: 6,351^st place)

gia.edu

"Inclusions in Gemstones". www.gia.edu. Retrieved March 1, 2024.
"An Introduction to Gem Treatments". www.gia.edu. Archived from the original on April 6, 2023. Retrieved March 31, 2023.
Nassau, Kurt (1984). "The Early History of Gemstone Treatments" (PDF). Archived (PDF) from the original on January 2, 2023. Retrieved March 31, 2023.
Rossman, George R. (Summer 1981). "Color in Gems: The New Technologies" (PDF). Gems & Gemology. 17 (2). Gemological Institute of America: 70. Bibcode:1981GemG...17...60R. doi:10.5741/GEMS.17.2.60. ISSN 0016-626X. Archived from the original (PDF) on November 12, 2022.
Nassau, Kurt (1990). "Synthetic Gem Materials in the 1980s" (PDF). Gems & Gemology. 26 (1): 50–63. Bibcode:1990GemG...26...50N. doi:10.5741/GEMS.26.1.50. Archived (PDF) from the original on November 1, 2021. Retrieved April 15, 2023.
Hainschwang, Thomas; Notari, Franck; Massi, Laurent; Armbruster, Thomas; Rondeau, Benjamin; Fritsch, Emmanuel; Nagashima, Mariko (Summer 2010). "Hibonite: A New Gem Mineral" (PDF). Gems & Gemology. 46 (2): 135–138. Bibcode:2010GemG...46..135H. doi:10.5741/GEMS.46.2.135. Archived (PDF) from the original on December 13, 2017.

4cs.gia.edu

GIA (November 15, 2011). "What are Synthetic Gemstones?". GIA 4Cs. Retrieved May 3, 2025.

gingermeekallen.com (Global: low place; English: low place)

Weldon, R. "An Introduction to Synthetic Gem Materials" (PDF). Archived (PDF) from the original on April 15, 2023. Retrieved April 14, 2023.

gjtl.org (Global: low place; English: low place)

"INTRODUCTION TO GEMOLOGY – GEM & JEWELRY TESTING LAB0RATORY". Retrieved May 6, 2025.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Rossman, George R. (Summer 1981). "Color in Gems: The New Technologies" (PDF). Gems & Gemology. 17 (2). Gemological Institute of America: 70. Bibcode:1981GemG...17...60R. doi:10.5741/GEMS.17.2.60. ISSN 0016-626X. Archived from the original (PDF) on November 12, 2022.
Fisher, Eleanor (July 2007). "Occupying the Margins: Labour Integration and Social Exclusion in Artisanal Mining in Tanzania". Development and Change. 38 (4): 735–760. Bibcode:2007DevCh..38..735F. doi:10.1111/j.1467-7660.2007.00431.x. ISSN 0012-155X.
Hinton, Jennifer J; Veiga, Marcello M; Veiga, A.Tadeu C (March 2003). "Clean artisanal gold mining: a utopian approach?". Journal of Cleaner Production. 11 (2): 99–115. Bibcode:2003JCPro..11...99H. doi:10.1016/s0959-6526(02)00031-8. ISSN 0959-6526.
Takam Tiamgne, Xavier; Kalaba, Felix K.; Nyirenda, Vincent R. (September 2022). "Mining and socio-ecological systems: A systematic review of Sub-Saharan Africa". Resources Policy. 78 102947. Bibcode:2022RePol..7802947T. doi:10.1016/j.resourpol.2022.102947. ISSN 0301-4207.
Dissanayake, C. B.; Rupasinghe, M. S. (October 1996). "Environmental impact of mining, erosion and sedimentation in Sri Lanka". International Journal of Environmental Studies. 51 (1): 35–50. Bibcode:1996IJEnS..51...35D. doi:10.1080/00207239608711069. ISSN 0020-7233.
Hervey, P. R.; Foise, J. W. (February 1, 2001). "Synthetic quartz crystal — A review". Mining, Metallurgy & Exploration. 18 (1): 1–4. Bibcode:2001MMExp..18....1H. doi:10.1007/BF03402862. ISSN 2524-3470. S2CID 140031745.
Scheel, Hans J (April 1, 2000). "Historical aspects of crystal growth technology". Journal of Crystal Growth. 211 (1): 1–12. Bibcode:2000JCrGr.211....1S. doi:10.1016/S0022-0248(99)00780-0. ISSN 0022-0248. Archived from the original on April 15, 2023. Retrieved April 15, 2023.
Li, Zhaolin (December 1, 2001). "Study on inclusions in natural and synthetic gems". Chinese Journal of Geochemistry. 20 (4): 324–332. Bibcode:2001Geoch..20..324L. doi:10.1007/BF03166857. ISSN 1993-0364. S2CID 129031255.
Nassau, Kurt (1990). "Synthetic Gem Materials in the 1980s" (PDF). Gems & Gemology. 26 (1): 50–63. Bibcode:1990GemG...26...50N. doi:10.5741/GEMS.26.1.50. Archived (PDF) from the original on November 1, 2021. Retrieved April 15, 2023.
Harris, Daniel C. (September 26, 2003). Tustison, Randal W. (ed.). "A peek into the history of sapphire crystal growth". Window and Dome Technologies VIII. 5078. SPIE: 1–11. Bibcode:2003SPIE.5078....1H. doi:10.1117/12.501428. S2CID 109528895.
Hainschwang, Thomas; Notari, Franck; Massi, Laurent; Armbruster, Thomas; Rondeau, Benjamin; Fritsch, Emmanuel; Nagashima, Mariko (Summer 2010). "Hibonite: A New Gem Mineral" (PDF). Gems & Gemology. 46 (2): 135–138. Bibcode:2010GemG...46..135H. doi:10.5741/GEMS.46.2.135. Archived (PDF) from the original on December 13, 2017.

howstuffworks.com (Global: 840^th place; English: 635^th place)

adventure.howstuffworks.com

"5 Most Precious Stones". HowStuffWorks.com. November 9, 2009. Archived from the original on November 6, 2014.

imdb.com (Global: 16^th place; English: 23^rd place)

Steven Universe (Animation, Short, Action), Zach Callison, Deedee Magno, Michaela Dietz, Cartoon Network Studios, July 27, 2013, retrieved November 15, 2024{{citation}}: CS1 maint: others (link)

ipen.br (Global: low place; English: low place)

Omi, Nelson M.; Rela, Paulo R. (2007). Gemstone Dedicated Gamma Irradiator Development: Proceedings of the INAC 2007 International Nuclear Atlantic Conference (PDF). Associação Brasileira de Energia Nuclear. p. 1. ISBN 978-85-99141-02-1. Archived from the original (PDF) on October 21, 2022. Retrieved October 21, 2022.

jewellerymonthly.com (Global: low place; English: low place)

"A complete guide to Gemstones". Jewellery Monthly. April 2, 2015. Archived from the original on August 28, 2017.

jstor.org (Global: 26^th place; English: 20^th place)

Hilson, Gavin (2016). Artisanal and small-scale mining and agriculture: Exploring their links in rural sub-Saharan Africa (Report). International Institute for Environment and Development.
Shigley, James (2000). "Treated and synthetic gem materials". Current Science. 79 (11): 1566–1571. JSTOR 24104849.
Elwell, Dennis (1981). Nassau, Kurt (ed.). "Synthetic Gemstones". Science. 211 (4487): 1156. doi:10.1126/science.211.4487.1156.a. ISSN 0036-8075. JSTOR 1685235. PMID 17755153. S2CID 239860410. Archived from the original on April 15, 2023. Retrieved April 15, 2023.
Jayaraman, A (December 28, 2023). "A brief overview of gem materials: Natural and synthetic". Current Science. 79 (11): 1555–1565. JSTOR 24104848. Archived from the original on April 15, 2023.

lapigems.com (Global: low place; English: low place)

"Tanzanite heating – the science". Archived from the original on 20 June 2016.

lexico.com (Global: 1,242^nd place; English: 853^rd place)

"Gemstone". Lexico. Oxford University Press. Archived from the original on March 21, 2020.

leysen.eu (Global: low place; English: low place)

"What are the differences between precious and semi-precious stones? - Information – Leysen – Joaillier since 1855". www.leysen.eu. Retrieved February 10, 2024.

libretexts.org (Global: 3,627^th place; English: 2,467^th place)

batch.libretexts.org

Hurlbut, Cornelius S.; Kammerling, Robert C. (1991). Gemology (PDF). Wiley-Interscience. p. 170. ISBN 0-471-52667-3. Archived (PDF) from the original on November 4, 2022. Retrieved November 4, 2022 – via LibreTexts.

marketresearchblog.org (Global: low place; English: low place)

"Colored Gemstones Market: Sales Projection Shows 11.6% CAGR Growth Potential by 2033 – Market Research Blog". March 1, 2024. Retrieved March 1, 2024.

menzie.com (Global: low place; English: low place)

"Pricing of Colored Gemstones | Joseph Menzie Inc". Archived from the original on October 27, 2021. Retrieved October 27, 2021.

merriam-webster.com (Global: 209^th place; English: 191^st place)

mw1.merriam-webster.com

Webster Online Dictionary Archived 2007-06-03 at the Wayback Machine

myanimelist.net (Global: 4,002^nd place; English: low place)

"Houseki no Kuni". MyAnimeList.net. Retrieved November 15, 2024.
Houseki no Kuni. Retrieved November 15, 2024 – via myanimelist.net.

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Elwell, Dennis (1981). Nassau, Kurt (ed.). "Synthetic Gemstones". Science. 211 (4487): 1156. doi:10.1126/science.211.4487.1156.a. ISSN 0036-8075. JSTOR 1685235. PMID 17755153. S2CID 239860410. Archived from the original on April 15, 2023. Retrieved April 15, 2023.

nrc.gov (Global: 5,244^th place; English: 3,622^nd place)

Nuclear Regulatory Commission (April 2019). "Backgrounder on Irradiated Gemstones". The U.S. Nuclear Regulatory Commission. Archived from the original on September 1, 2022. Retrieved November 12, 2022. This article incorporates public domain material from websites or documents of the United States government.

rajasthan.gov.in (Global: 5,078^th place; English: 3,359^th place)

handmadeinrajasthan.rajasthan.gov.in

"Semi Precious Stone Articles (Gemstone)". handmadeinrajasthan.rajasthan.gov.in. Archived from the original on June 16, 2022. Retrieved May 6, 2025.

researchgate.net (Global: 120^th place; English: 125^th place)

Harrington, Alexandra R. "Faceting the Future: The Need for and Proposal of the Adoption of a Kimberley Process-Styled Legitimacy Certification System for the Global Gemstone Market". Research Gate.

rtl.fr (Global: 1,617^th place; English: 6,466^th place)

(in French) "Vidéo – Nolwenn Leroy lumineuse et enceinte dans le clip de Gemme". RTL. 19 July 2017.

sciencedirect.com (Global: 149^th place; English: 178^th place)

Scheel, Hans J (April 1, 2000). "Historical aspects of crystal growth technology". Journal of Crystal Growth. 211 (1): 1–12. Bibcode:2000JCrGr.211....1S. doi:10.1016/S0022-0248(99)00780-0. ISSN 0022-0248. Archived from the original on April 15, 2023. Retrieved April 15, 2023.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Elwell, Dennis (1981). Nassau, Kurt (ed.). "Synthetic Gemstones". Science. 211 (4487): 1156. doi:10.1126/science.211.4487.1156.a. ISSN 0036-8075. JSTOR 1685235. PMID 17755153. S2CID 239860410. Archived from the original on April 15, 2023. Retrieved April 15, 2023.
Hervey, P. R.; Foise, J. W. (February 1, 2001). "Synthetic quartz crystal — A review". Mining, Metallurgy & Exploration. 18 (1): 1–4. Bibcode:2001MMExp..18....1H. doi:10.1007/BF03402862. ISSN 2524-3470. S2CID 140031745.
Li, Zhaolin (December 1, 2001). "Study on inclusions in natural and synthetic gems". Chinese Journal of Geochemistry. 20 (4): 324–332. Bibcode:2001Geoch..20..324L. doi:10.1007/BF03166857. ISSN 1993-0364. S2CID 129031255.
Harris, Daniel C. (September 26, 2003). Tustison, Randal W. (ed.). "A peek into the history of sapphire crystal growth". Window and Dome Technologies VIII. 5078. SPIE: 1–11. Bibcode:2003SPIE.5078....1H. doi:10.1117/12.501428. S2CID 109528895.

spiedigitallibrary.org (Global: low place; English: low place)

Harris, Daniel C. (September 26, 2003). Tustison, Randal W. (ed.). "A peek into the history of sapphire crystal growth". Window and Dome Technologies VIII. 5078. SPIE: 1–11. Bibcode:2003SPIE.5078....1H. doi:10.1117/12.501428. S2CID 109528895.

tandfonline.com (Global: 507^th place; English: 429^th place)

Dissanayake, C. B.; Rupasinghe, M. S. (October 1996). "Environmental impact of mining, erosion and sedimentation in Sri Lanka". International Journal of Environmental Studies. 51 (1): 35–50. Bibcode:1996IJEnS..51...35D. doi:10.1080/00207239608711069. ISSN 0020-7233.

thecanadianencyclopedia.ca (Global: 1,028^th place; English: 740^th place)

"Diamond". www.thecanadianencyclopedia.ca. Retrieved March 1, 2024.

thenaturalsapphirecompany.com (Global: low place; English: low place)

"Padparadscha Sapphires: 10 Tips On Judging The Rare Gem". The Natural Sapphire Company Blog. April 6, 2015. Archived from the original on January 19, 2018. Retrieved January 19, 2018.

thesprucecrafts.com (Global: low place; English: low place)

"10 Gems Rarer and More Valuable Than Diamonds". The Spruce Crafts. Archived from the original on March 31, 2023. Retrieved March 31, 2023.

usgs.gov (Global: 167^th place; English: 198^th place)

apps.usgs.gov

"Gemstones – Synthetic and Simulant". apps.usgs.gov. Retrieved May 3, 2025.

web.archive.org (Global: 1^st place; English: 1^st place)

"Gemstone". Lexico. Oxford University Press. Archived from the original on March 21, 2020.
Webster Online Dictionary Archived 2007-06-03 at the Wayback Machine
"Semi Precious Stone Articles (Gemstone)". handmadeinrajasthan.rajasthan.gov.in. Archived from the original on June 16, 2022. Retrieved May 6, 2025.
Church, A.H. (1905). "Definition of Precious Stones". Precious Stones considered in their scientific and artistic relations. His Majesty's Stationery Office, Wyman & Sons. p. 11. Archived from the original on September 29, 2007 – via Farlang.com.
"5 Most Precious Stones". HowStuffWorks.com. November 9, 2009. Archived from the original on November 6, 2014.
"A complete guide to Gemstones". Jewellery Monthly. April 2, 2015. Archived from the original on August 28, 2017.
"Pricing of Colored Gemstones | Joseph Menzie Inc". Archived from the original on October 27, 2021. Retrieved October 27, 2021.
"Rapaport report of ICA Gemstone Conference in Dubai". Diamonds.net. May 16, 2007. Archived from the original on July 26, 2011. Retrieved July 30, 2010.
"Padparadscha Sapphires: 10 Tips On Judging The Rare Gem". The Natural Sapphire Company Blog. April 6, 2015. Archived from the original on January 19, 2018. Retrieved January 19, 2018.
"An Introduction to Gem Treatments". www.gia.edu. Archived from the original on April 6, 2023. Retrieved March 31, 2023.
Nassau, Kurt (1984). "The Early History of Gemstone Treatments" (PDF). Archived (PDF) from the original on January 2, 2023. Retrieved March 31, 2023.
"Tanzanite heating – the science". Archived from the original on 20 June 2016.
Omi, Nelson M.; Rela, Paulo R. (2007). Gemstone Dedicated Gamma Irradiator Development: Proceedings of the INAC 2007 International Nuclear Atlantic Conference (PDF). Associação Brasileira de Energia Nuclear. p. 1. ISBN 978-85-99141-02-1. Archived from the original (PDF) on October 21, 2022. Retrieved October 21, 2022.
Hurlbut, Cornelius S.; Kammerling, Robert C. (1991). Gemology (PDF). Wiley-Interscience. p. 170. ISBN 0-471-52667-3. Archived (PDF) from the original on November 4, 2022. Retrieved November 4, 2022 – via LibreTexts.
Nuclear Regulatory Commission (April 2019). "Backgrounder on Irradiated Gemstones". The U.S. Nuclear Regulatory Commission. Archived from the original on September 1, 2022. Retrieved November 12, 2022. This article incorporates public domain material from websites or documents of the United States government.
Rossman, George R. (Summer 1981). "Color in Gems: The New Technologies" (PDF). Gems & Gemology. 17 (2). Gemological Institute of America: 70. Bibcode:1981GemG...17...60R. doi:10.5741/GEMS.17.2.60. ISSN 0016-626X. Archived from the original (PDF) on November 12, 2022.
"New process promises bigger, better diamond crystals". Carnegie Institution for Science. Archived from the original on December 1, 2010. Retrieved January 7, 2011.
Weldon, R. "An Introduction to Synthetic Gem Materials" (PDF). Archived (PDF) from the original on April 15, 2023. Retrieved April 14, 2023.
Elwell, Dennis (1981). Nassau, Kurt (ed.). "Synthetic Gemstones". Science. 211 (4487): 1156. doi:10.1126/science.211.4487.1156.a. ISSN 0036-8075. JSTOR 1685235. PMID 17755153. S2CID 239860410. Archived from the original on April 15, 2023. Retrieved April 15, 2023.
Scheel, Hans J (April 1, 2000). "Historical aspects of crystal growth technology". Journal of Crystal Growth. 211 (1): 1–12. Bibcode:2000JCrGr.211....1S. doi:10.1016/S0022-0248(99)00780-0. ISSN 0022-0248. Archived from the original on April 15, 2023. Retrieved April 15, 2023.
Arem, Joel. "Understanding Gem Synthetics, Treatments, And Imitations, Part 4: Synthetic Gemstone Guide". International Gem Society. Archived from the original on March 22, 2023. Retrieved March 30, 2023.
Jayaraman, A (December 28, 2023). "A brief overview of gem materials: Natural and synthetic". Current Science. 79 (11): 1555–1565. JSTOR 24104848. Archived from the original on April 15, 2023.
Nassau, Kurt (1990). "Synthetic Gem Materials in the 1980s" (PDF). Gems & Gemology. 26 (1): 50–63. Bibcode:1990GemG...26...50N. doi:10.5741/GEMS.26.1.50. Archived (PDF) from the original on November 1, 2021. Retrieved April 15, 2023.
"10 Gems Rarer and More Valuable Than Diamonds". The Spruce Crafts. Archived from the original on March 31, 2023. Retrieved March 31, 2023.
Hainschwang, Thomas; Notari, Franck; Massi, Laurent; Armbruster, Thomas; Rondeau, Benjamin; Fritsch, Emmanuel; Nagashima, Mariko (Summer 2010). "Hibonite: A New Gem Mineral" (PDF). Gems & Gemology. 46 (2): 135–138. Bibcode:2010GemG...46..135H. doi:10.5741/GEMS.46.2.135. Archived (PDF) from the original on December 13, 2017.

wiley.com (Global: 222^nd place; English: 297^th place)

onlinelibrary.wiley.com

Fisher, Eleanor (July 2007). "Occupying the Margins: Labour Integration and Social Exclusion in Artisanal Mining in Tanzania". Development and Change. 38 (4): 735–760. Bibcode:2007DevCh..38..735F. doi:10.1111/j.1467-7660.2007.00431.x. ISSN 0012-155X.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Nassau, Kurt (1994). Gemstone Enhancement: History, Science and State of the Art (2nd ed.). Oxford: Butterworth Heinemann. ISBN 978-0-7506-1797-0. OCLC 28889342.
Rossman, George R. (Summer 1981). "Color in Gems: The New Technologies" (PDF). Gems & Gemology. 17 (2). Gemological Institute of America: 70. Bibcode:1981GemG...17...60R. doi:10.5741/GEMS.17.2.60. ISSN 0016-626X. Archived from the original (PDF) on November 12, 2022.
Fisher, Eleanor (July 2007). "Occupying the Margins: Labour Integration and Social Exclusion in Artisanal Mining in Tanzania". Development and Change. 38 (4): 735–760. Bibcode:2007DevCh..38..735F. doi:10.1111/j.1467-7660.2007.00431.x. ISSN 0012-155X.
Hinton, Jennifer J; Veiga, Marcello M; Veiga, A.Tadeu C (March 2003). "Clean artisanal gold mining: a utopian approach?". Journal of Cleaner Production. 11 (2): 99–115. Bibcode:2003JCPro..11...99H. doi:10.1016/s0959-6526(02)00031-8. ISSN 0959-6526.
Takam Tiamgne, Xavier; Kalaba, Felix K.; Nyirenda, Vincent R. (September 2022). "Mining and socio-ecological systems: A systematic review of Sub-Saharan Africa". Resources Policy. 78 102947. Bibcode:2022RePol..7802947T. doi:10.1016/j.resourpol.2022.102947. ISSN 0301-4207.
Dissanayake, C. B.; Rupasinghe, M. S. (October 1996). "Environmental impact of mining, erosion and sedimentation in Sri Lanka". International Journal of Environmental Studies. 51 (1): 35–50. Bibcode:1996IJEnS..51...35D. doi:10.1080/00207239608711069. ISSN 0020-7233.
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