US$ 2400.00
size range: 0
Hardness: 4
Rancho La Brea Formation
Knightia eocaena
likely an adaptation to more open habitats compared to its predecessors
Azurite | Russia Argentina size range: 0Azurite Rubtsovsk Mine Altai Krai, Russia Specimen approx. size: 1" x 1" x 0. 75" Comes with a 1. 5" acrylic stand. Azurite, a copper carbonate hydroxide mineral, is admired for its stunning blue hue. It usually forms in nodular structures alongside other vivid, copper laden minerals. This secondary mineral is formed by carbon dioxide rich water that seeps into cracks, crevices, and caves. Azurite and malachite can often be found together due to their
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US$ 60.00
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