Turquoise has a moderate hardness ranging from 5 to 6 on the Mohs scale

Color: Party Color

Name: Apophyllite and Prehnite Cluster

Origin: Lake Jaco

Large Natural Herkimer Diamond | 41.4g | Herkimer County NY UNWA Turquoise has a moderate hardnessHerkimer 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