Calcite
Faylor-Middle Creek Quarry, Winfield, Union County, Pennsylvania, USA
3.7 x 2.3 x 1.8 cm. This locality might be best known for its strontianite crystals, but it has produced some attractive calcites. This piece features a sharp, lustrous, gemmy, pale golden color (nearly colorless), scalenohedral twin of calcite measuring 2.3 cm aesthetically flaring off matrix. Ex Kay Robertson Collection (#6792). Kay is a ...
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