Rare Cavansite on Heulandite Mini Specimen in Box uv light 5cm wide x 3

5cm wide x 3

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Rare Cavansite on Heulandite Mini Specimen in Box uv light 5cm wide x 3Rare blue Cavansite crystal growth on Calcite and Zeolite matrix crystal and rock. Comes in its own plastic specimen display box for safekeeping. Approx. 2. 5cm x 2. 2cm x 2. 2cm. Cavansite and Pentagonite are both forms of hydrated calcium silicovanadates and are very similar to look and hard to distinguish between as they are exactly the same chemical formula. You can find some Pentagonite specimens also listed online. Please choose SMALL BOX