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Duotone bay — asphalt brief on the left, yellow-folded service sheet on the right.
- Location: Brazil (notably in the states of Rio Grande do Sul
typically in limestone and dolostone rocks
- Comes with a certificate of authenticity and a beautiful display box
- Type: Hydrophane Opal
- Formation Process: Low-temperature hydrothermal activity and precipitation of mercury and sulfur ions resulted in the formation of cinnabar
Twin Optical Calcite knightia - Location: Brazil (notably inSize: 12x7x8 cms Weight: 692 grams Location: Maharashtra, India Product Description: This Twin Optical Calcite from Maharashtra, India is a remarkable mineral specimen, featuring a unique twin crystal formation and a striking, transparent crystal structure. The calcite's clarity and delicate shape make it a beautiful addition to any mineral collection. Geological Information: Location: Maharashtra, India Type: Optical Calcite (Calcite) Formation:
US$ 39.99
US$ 29.99
US$ 27.99