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Collection Tier:
Tier 3

Rocks and Minerals ➔ Pyrite on Calcite

Identifier:
2019.1.1564
Description:
Pyrite, commonly known as fool's gold, is a sulfide mineral containing iron. When exposed to oxygen, the color darkens, turning from a brass-yellow to shades of brown. This specimen is on calcite, a calcium carbonate mineral. It was found in Egremont, England and was sold by A. N. Fuller. 

Pyrite Formula: FeS2
Calcite Formula: CaCO3
Date:
1886 – 1905
Source:
Museum Collection
Maker/Donor
A. N. Fuller
Related Place
Egremont
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