Herkimer Diamond from Ace of Diamonds Mine TF2624 fire quartz but was not widely known

but was not widely known until the 1970's partly because it has an unremarkable appearance in the field

Dimensions: 5 x 3

Weight: 979 grams

making them highly collectible

The result is complex surface patterns

Herkimer Diamond from Ace of Diamonds Mine TF2624 fire quartz but was not widely knownHerkimer Diamond from Ace of Diamonds Mine Approx. Dimensions: 4x2. 75x2. 25 inches Approx. Weight: 314 grams Locality: Ace of Diamonds Mine, Middleville, Herkimer County, New York This is an exquisite and large Herkimer diamond from the Ace of Diamonds Mine. It is in excellent condition and has superb luster, typical of high quality specimens from this classic locality. Herkimer Diamonds from the Ace of Diamonds Mine are renowned for their