1.0 lb Rough Green Granite

1.0 lb of Rough Green granite from the Fraser River. This rough material is perfect for tumblers or vibrating polishers!

Granite is formed from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies underground. It is a coarse-grained intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase.