HK1 Herkimer Diamonds
Herkimer Diamonds from Herkimer County, New York state, not the Tibetan versions. These are Quartz crystals that have formed naturally directly from solution and hence are nearly perfect Double Terminators that look like diamonds.
Small 6.6 gm 22 x25x17 mm approx
Medium 9.3 gm 27 x 22 x 13 mm
Large 14.2 gm 30 x 25 x 20 mm