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ANGOLO VETUSTO

EARTH STONES

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Dalla Stella Federico

Minerals and Gems, let’s discover them together

Characteristics, features, and many methods to identify minerals

Black Precious Opal, Lightning Ridge, Australia

Precious Opal: The Magic of Play of Color

Learn all about the noble opals of Ethiopia and Australia: formation, structure, play of color, hydrophane differences, patterns, and processing techniques.

Opal

Dalla Stella Federico

Oct 17, 20257 min read

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