mineral
Herkimer Diamond
Quartz (Silicon Dioxide, SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent color, vitreous luster, hexagonal crystal system with dual termination, and no cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent color, vitreous luster, hexagonal crystal system with dual termination, and no cleavage.
Formation & geological history
Formed in exposed dolostone rock cavities over millions of years through silica-rich fluid precipitation.
Uses & applications
Used widely in wire-wrapped jewelry, metaphysical healing collections, and as display mineral specimens.
Geological facts
These double-terminated quartz crystals are exceptionally clear and naturally faceted with 18 crystal faces.
Field identification & locations
Found primarily in Herkimer County, New York, easily identified by their distinct diamond-like shape and high clarity.
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