Reviews
This Specimen has been sold.
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1.9" Herkimer Diamond Cluster - The Ace of Diamonds Mine, New York
This is an absolutely gorgeous cluster of clear "Herkimer Diamonds" collected from The Ace of Diamonds Mine in Herkimer County, New York. Pristine terminations on both of these crystals.
It has been mounted to an acrylic display base with mineral tack.
It has been mounted to an acrylic display base with mineral tack.
About Herkimer Diamonds
Herkimer Diamonds are not actual diamonds, but rather double-terminated quartz crystals found in and around Herkimer County, New York. The term "diamond" refers not only to their exceptional clarity but also to the natural facets they display when found. Only crystals with these qualities that are found in Herkimer County can be officially called Herkimer Diamonds. Similar double-terminated quartz crystals have been discovered in abundance in Tibet and Afghanistan, but these are not considered true Herkimer Diamonds.
The geologic history of these crystals began around 495 million years ago in a shallow sea. Waxy organic material, along with quartz sand and pyrite, became encased in rock composed of dolomite and calcite. As the sediment buried the rock and temperatures rose, crystals formed very slowly, resulting in quartz with exceptional clarity. Inclusions within these crystals provide clues to their origin—ranging from solids, liquids (such as saltwater or petroleum), and gases (most often carbon dioxide) to two- and three-phase inclusions and negative (uniaxial) crystals.
Herkimer Diamonds are not actual diamonds, but rather double-terminated quartz crystals found in and around Herkimer County, New York. The term "diamond" refers not only to their exceptional clarity but also to the natural facets they display when found. Only crystals with these qualities that are found in Herkimer County can be officially called Herkimer Diamonds. Similar double-terminated quartz crystals have been discovered in abundance in Tibet and Afghanistan, but these are not considered true Herkimer Diamonds.
The geologic history of these crystals began around 495 million years ago in a shallow sea. Waxy organic material, along with quartz sand and pyrite, became encased in rock composed of dolomite and calcite. As the sediment buried the rock and temperatures rose, crystals formed very slowly, resulting in quartz with exceptional clarity. Inclusions within these crystals provide clues to their origin—ranging from solids, liquids (such as saltwater or petroleum), and gases (most often carbon dioxide) to two- and three-phase inclusions and negative (uniaxial) crystals.
SPECIES
Quartz
LOCATION
The Ace of Diamonds Mine, Middleville, Herkimer County, New York
SIZE
1.9 x 1.2"
CATEGORY
SUB CATEGORY
ITEM
#324511
