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Geology is my passion.

brazilminerals:

Dragon’s cave!!! Amethyst flower from Irai, Rio Grande do Sul, Brazil

www.brazilminerals.com

(via mineralogasm)

Different Types of Opals

sixpenceee:

Andamooka Rough Opal

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Black Opal

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Boulder Opal

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Fossilized Opal

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Ocean Opal

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Raw Fire Opal

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Tree Fossil with Opal Rings

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SOURCE & MORE IMAGES