Quartz - Crystal Grove Diamond Mine, USA - 2.7 x 2.2 cm
Mineral: Quartz
Locality: Crystal Grove Diamond Mine, St Johnsville, Montgomery County, New York, USA
Dimensions: 2.7 x 2.2 cm

Description: Two iron-stained "Herkimer diamond" quartz crystals resting on a druzy quartz coated dolostone.