. Blue Goldstone, Tumbling Rough, 5 lb lot | The Gem Shop, Inc.

Blue Goldstone, Tumbling Rough, 5 lb lot

$60.00

A manmade stone, Blue Goldstone's color is created by using cobalt instead of copper (used in Goldstone) combined with molten glass. 5lb lot.

It has a hardness of about 6 on the Mohs scale. 

Primary image features the rock wet.