Fluorellestadite with black, earthy
srebrodolskite
Origin: Kopeysk, Chelyabinsk coal basin, Ural Mountains, Russia
Sample size: 3.5 x 2.5 x 1.5 cm
Yellowish crystal grains to 3 mm with blue-grey
calcite
and
tobermorite (white).
Light honey yellow prismatic crystals to 6mm embedded in matrix. The blue is
calcite
and the brown is
merwinite.
Origin: Commercial quarry, Crestmore, Riverside Co., California, United States
Ex. DeVito collection
Sample size: 7 x 4 x 3 cm (top), 5 x 4 x 3 cm (bottom)
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