mineral
Herkimer Diamond
Quartz (Silicon Dioxide, SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, transparent to smoky, vitreous luster, hexagonal crystal system with double termination.
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Physical properties
Hardness of 7 on Mohs scale, transparent to smoky, vitreous luster, hexagonal crystal system with double termination.
Formation & geological history
Formed in exposed dolostone rock pockets approximately 500 million years ago during the Cambrian period.
Uses & applications
Valued as a unique natural crystal specimen for collectors, wire-wrapped jewelry, and metaphysical uses.
Geological facts
Despite the name diamond, they are exceptionally clear double-terminated quartz crystals naturally found in New York.
Field identification & locations
Identified by its distinctive 18 crystal faces and double-terminated points, primarily sourced in Herkimer County, New York.
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