Opala (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Opala" in Portuguese language version.

Last modified: 23:47:44, 4 June 2025 (UTC)

Ref.Un. Ref.Website

Global rank Portuguese rank

712^th place

1,487^th place

11webmineral.com

3,342^nd place

3,885^th place

11web.archive.org

1^st place

1^st place

4,419^th place

144^th place

mindat.org (Global: 712^th place; Portuguese: 1,487^th place)

Mindat.org: Opal
«"Glossario: Jogo das cores"». Mindat. 4 de junho de 2018

ufrgs.br (Global: 4,419^th place; Portuguese: 144^th place)

lume.ufrgs.br

«Rejeito mineral de opala». "UFRGS LUME repositório digital". 2009

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

«Opala de Queensland»

webmineral.com (Global: 3,342^nd place; Portuguese: 3,885^th place)

Webmineral: Opal