Tag
lapidary science
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How to Authentically Identify California Jade: A Geologist’s Field Manual
The confusion stems from jade’s dual identity: nephrite (a fibrous amphibole) and jadeite (a pyroxene). While jadeite dominates global markets, California’s...
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The Hidden Depths of Garnet: What Color Is Garnet and Why It Matters
The confusion stems from garnet’s classification as a group rather than a single mineral. Unlike diamonds or sapphires—each defined by a singular chemical...