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Calcite Chalk Hill Quarry, Dallas, Dallas Co., Texas, USA Crystals average about 0.25" (6mm) These little Calcites are from the Chalk Hill Quarry, Dallas County, Texas the crystals average about 0.25" (6mm) (Author: Jim Prentiss)

Calcite
Chalk Hill Quarry, Dallas, Dallas Co., Texas, USA
Crystals average about 0.25" (6mm)

These little Calcites are from the Chalk Hill Quarry, Dallas County, Texas the crystals average about 0.25" (6mm) (Author: Jim Prentiss)

Dimensiones: 600 x 450
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