Spinel, Chondrodite, Calcite

Specimen ID: 4GH-H0W

Spinel : MgAl2O4
Chondrodite : (Mg,Fe2+)5(SiO4)2(F,OH)2
Calcite : CaCO3
Mindat locality:

Photo added to mindat.org

Rounded octahedra of spinel with yellow to orange chondrodite in white calcite. Most of the blue-green spinels in these rocks are shapeless grains, these are among the better crystallized ones.
Harold Moritz - 9th July 2018
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