Smoky Quartz Cut Stone, Round, 4 mm

Originally named Smoky Topaz, the Smokey Quartz has been named after its smokey colour. The quartz can be found in Brazil, Madagascar, Russia, Scotland, Ukraine, and Switzerland. Its colouring is caused by natural and artificial gamma rays creating a glassy brown smokey appearance. 

Shape: Round

Size: 4mm

Weight: 0.02grams

Colour: Clear brown smokey appearance

Moh's hardness:  6½ - 7

Density: 2.58 - 2.64

Cleavage: None

Refractive index: 1.543 - 1.540

Dispersion: None