Cabinet Skeletal Herkimer Diamond Quartz Crystal from New York USA

This awesome, cabinet-sized Herkimer "diamond" quartz crystal features a complex, skeletal growth structure and nice rainbows. It is from the North prospect at Treasure Mountain in Little Falls, Herkimer County, New York, USA.

It measures approximately 3.0x2.9x2.1 inches and weighs 291 grams. Please see photos for details, there are some areas of contact.