DESCRIPTION: | No. 79766
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Mineral: | Calcite (twinned crystals) with Laumontite and Prehnite
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Locality: | Upper New Street Quarry, Paterson, Passaic County, New Jersey |
Description: | Unusually large lustrous transparent colorless calcite crystals, twinned on the {0001} plane, with small white laumontite crystals to 3 mm. The calcite formed over a 55 mm hemispherical formation of green prehnite, and has green prehnite attached. This specimen is the largest calcite crystal I have ever seen from this quarry. Collected in 1980s to 1990s by Prof. Martin Becker |
Overall Size: | 16x9.5x7 cm |
Crystals: | 1-140 mm |
Archived: | For reference only |