Quartz var. Herkimer Diamond
Quartz var. Herkimer Diamond Quartz var. Herkimer Diamond
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Quartz var. Herkimer Diamond (Ref: SM20-356)

Ace of Diamonds Mine, Middleville, Herkimer Co., New York, USA
30mm x 20mm x 20mm
minID: 66F-4R8
This is a Quartz var. Herkimer Diamond from Ace of Diamonds Mine, Middleville, Herkimer Co., New York, USA. A bright, eye-catching, doubly-terminated, totally gem "Herkimer diamond" specimen from the occurrences in Upstate New York, and at a boxbuster size, this is one of the finest thumbnail examples of this material I have ever seen (and I grew up in the Midwest!).
Data last checked on 26th Mar 2023 - specimen may no longer be available

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See Also

Quartz - variety "Diamond Scepter"
Treasure Mountain Diamond Mine, Little Falls, Herkimer Co., New York, USA
50mm x 20mm x 20mm
Quartz (pseudocubic)
Ace of Diamonds Mine, Herkimer Co., New York, USA
30mm x 10mm x 10mm
Quartz on Calcite with Anthraxolite (petroleum)
Middleville, Herkimer County, New York, USA
50mm x 40mm x 10mm
Rhodochrosite with Quartz
American Tunnel Mine, Silverton, San Juan Co., Colorado, USA
30mm x 20mm x 10mm
Greenockite included Smithsonite on Quartz and Greenockite
Monte Cristo Mine, Rush, Marion Co., Arkansas, USA
40mm x 40mm x 20mm
Quartz and Pyrite
Spruce Claim, Goldmyer Hot Springs, King Co., Washington, USA
80mm x 70mm x 50mm
Cassiterite on Quartz
Elsmore Tin Mine, Elsmore, Gough Co., New South Wales, Australia
91mm x 82mm x 57mm
Gold on Quartz
Motherlode District , Grass Valley, Nevada Co., California, USA
20mm x 10mm x 10mm
Ilvaite With Quartz Included By Hedenbergite
Huanggang Mine, Hexigten Banner, Inner Mongolia A.R., China
120mm x 80mm x 80mm
Quartz var. Amethyst
Kakamunurle Mine, Karur District, Tamil Nadu, India
70mm x 70mm x 50mm
Bournonite with Quartz
Yaogangxian Mine, Chenzhou, Hunan, China
60mm x 60mm x 30mm
Quartz, var. Herkimer Diamond
Ace of Diamonds Mine, Herkimer County, New York
37mm x 25mm x 21mm
Quartz, Améthyst, Calcite.
Tonglüshan Mine, Hubei, China
$2109 *
105mm x 85mm x 70mm
From: A Bijoux
Bournonite on Quartz and Fluorite
Yaogangxian Mine, Yizhang County, Chenzhou Pref., Hunan Province, China
85mm x 70mm
Dolomite With Fluorite and Quartz
Shangbao Mine, Leiyang Co., Hengyang Prefecture, Hunan Province, China
100mm x 90mm x 90mm
* price is an approximate conversion and may not be accurate.

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