|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New York > Quartz var. Herkimer Diamond
|Quartz var. Herkimer Diamond
|Eastern Rock Products Quarry (Benchmark Quarry), St. Johnsville, Montgomery County, New York
|Lustrous Herkimer Diamond variety of quartz crystal 68 mm long with contact on the bottom from sulfide-rich matrix (pyrite-marcasite). The quartz crystal is internally transparent with no visible inclusions.
|For reference only
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