Armenian Lapis Lazuli Diamond White Gold Engagement Ring 2015 Fashion.
By Farzana Aamir
Other possible constituents: augite; diopside; enstatite; mica; hauynite; hornblende, and nosean. Some lapis lazuli contains trace amounts of the sulfur-rich löllingite variety geyerite.
Lapis lazuli usually occurs in crystalline marble as a result of contact metamorphism.
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