Tumbled Smoky Quartz / 20-50mm AVG - 1 KILO LOT #5 While the most famous specimens

While the most famous specimens are found in upstate New York

Pieces measure approximately 1"- 4" in (AVERAGE SIZE)

Mixed Gemstone Moon Box Set

Large Octagonal Shungite Pyramid

Tumbled Smoky Quartz / 20-50mm AVG - 1 KILO LOT #5 While the most famous specimensQuantity: 1 kilogram Average size range: 20 to 50 millimeters Quartz is one of the most common minerals found in the Earth's crust, and takes on a variety of colors depending on the other minerals and trace elements that are included as it forms and grows. Smoky quartz gets its color when aluminum impurities in rock crystal quartz are activated by natural geological radiation over long periods of time.