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Object Type: Mineral
Chemistry Formula: CaCO3
Chemistry Type: Carbonate
Dimensions: Centimetres: 30 x 21 x 12
Museum ID Number: M25539
Image Number: ROM2004_891_5

Calcite is one of the most common minerals on Earth. This specimen of calcite from the Faraday uranium mine is one of the “classic” mineral specimens from Ontario that are sought by serious collectors. The beautifully formed crystals of calcite were overgrown by a bright layer of hematite. Hematite is the major ore mineral in many iron mines around the world, but here it is just a curiosity that makes such calcite specimens distinctive and attractive.

Location: Faraday Mine; Bancroft; Hastings County; Ontario; Canada

Object History: Acquired from C. Belanger in 1963, by specimen exchange

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