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Collection Tier:
Tier 3

Rocks and Minerals ➔ Sphalerite, Galena, and Dolomite

Sphalerite, the black mineral is a common zinc sulfide that can be found in metamorphic, igneous, and sedimentary rocks. Galena, the rectangular parts, is a sulfide and is the most common lead mineral. These minerals are embedded in a matrix of dolomite, the white mineral.

Sphalerite Formula: ZnS
Galena Formula: PbS
Dolomite Formula: CaMg(CO3)2
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