Tumbled Blue Apatite / 20-50mm AVG - 1 KILO LOT autumn Azurite is one of two

Azurite is one of two common copper minerals

Average size range: 50 to 75 millimeters

It is the defining mineral for 4 on the Mohs hardness scale and perfect cleavage

Listing is for (1 flat)

and smoky quartz

Tumbled Blue Apatite / 20-50mm AVG - 1 KILO LOT autumn Azurite is one of twoQuantity: 1 kilogram Average size range: 20 to 50 millimeters Apatite comes from the Greek word apat, meaning to deceive, because in its raw form it is very easy to mistake it for other minerals. Gem quality apatite is less common, and most apatite is used to make phosphate for fertilizer or as a source of rare earth metals like uranium and thorium.