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which typically presents as deep violet to sapphire blue
Brazilian Kyanite exhibits a fascinating physical property known as anisotropic hardness
**Includes the specimen stand in photo/video **
Russian rainbow pyrite is a type of pyrite mineral that exhibits a unique iridescent coloration
Polished "Blue River" Purple/Clear fluorite slab from the Erongo Mts
Calcite Specimen w/ Glass display stand - Guerrero, Mexico Tumbles which typically presents as deepThese Godzilla Calcite pieces (as named by the wholesaler), which are from the El Solat Mine in Taxco de Alarcn, Mexico, are pretty exciting. It's a brand new find, and what really sets them apart is seeing three distinct generations of calcite growth on each specimen. It's like looking at a miniature geological story. Hit them with a 365nm longwave UV light, and they absolutely pop with brilliant reds, vibrant pinks, and fiery oranges. It's quite a
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US$ 151.95
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