Gerstley Borate

Gerstley Borate

Regular price $23.00
/
Tax included. Shipping calculated at checkout.

Gerstley borate is a calcium borate ore containing the mineral Ulexite ( 3CaO Na2O 5B2O3 16H2O ), along with accessory minerals such as Bentonite, Colemanite, and Probertite.