Τανζανίτης (Greek Wikipedia)

Analysis of information sources in references of the Wikipedia article "Τανζανίτης" in Greek language version.

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allaboutgemstones.com

  • «Gemstones: Tanzanite». AllAboutGemstones.com. 2012. Ανακτήθηκε στις 15 Αυγούστου 2015. Tanzanite can sometimes be mistaken for blue sapphire, but tanzanite can have very pronounced pleochroism, which reflects different colors from different angles. Pleochroism is an optical phenomenon due to the double refraction of light which is divided into two "polarized" paths at a 90¡ angle to each other. 

archive.org

bloomberg.com

books.google.com

farlang.com

gemsociety.org

gemstone.org

gia.edu

handbookofmineralogy.com

  • John W. Anthony· Richard A. Bideaux· Kenneth W. Bladh· Monte C. Nichols (επιμ.). «Zoisite» (PDF). Handbook of Mineralogy. Chantilly, Virginia: Mineralogical Society of America. Αρχειοθετήθηκε από το πρωτότυπο (PDF) στις 9 Μαΐου 2020. Ανακτήθηκε στις 9 Απριλίου 2014. 

ide.go.jp

indiatimes.com

articles.timesofindia.indiatimes.com

jckonline.com

miningweekly.com

minrec.org

nationaljewelernetwork.com

ruby-sapphire.com

  • Vincent Pardieu· Richard W. Hughes· και άλλοι. (1997–2014). «Blue lightning». www.ruby-sapphire.com  . Richard W. Hughes/RWH. Αρχειοθετήθηκε από το πρωτότυπο στις 12 Φεβρουαρίου 2009. Ανακτήθηκε στις 16 Αυγούστου 2015. 

tanzanitefoundation.org

web.archive.org

yourgemologist.com