Natural Herkimer Diamonds | 5 carat Lots | 7.3 - 9 mm | Herkimer County NY | SO24 Size:B (5 pce lot | 5.5 tcw) Herkimer Diamonds are harder than

Herkimer Diamonds are harder than all quartz crystals

7 Carats / 19

Treatment: None (unheated

Name: Gyrolite on Prehnite

Weight: 209

Natural Herkimer Diamonds | 5 carat Lots | 7.3 - 9 mm | Herkimer County NY | SO24 Size:B (5 pce lot | 5.5 tcw) Herkimer Diamonds are harder thanHerkimer Diamonds are beautiful double terminated quartz crystals which are found mainly in Herkimer County, New York. Incredibly, these phenomenal gemstones are believed to be close to five hundred million years old. The crystals are magnificent works of nature found in the rock, appearing to have been precision cut by man and having a diamond like geometrical shape; thus, the name Herkimer Diamond. Many collectors believe the Herkimer Diamond should