$24.99Natural rough Turquoise - 1/4 lb - 15+ pieces. Turquoise is an opaque, blue-to-green mineral that is a hydrated phosphate of copper and aluminium, with the chemical formula CuAl₆(PO₄)₄(OH)₈·4H₂O. It is rare and valuable in finer grades and has been prized as a gemstone and ornamental stone for thousands of years owing to its unique hue.
$24.95Amethyst Points (Genuine) Bulk Sample Minerals by the pound. One of our earth science resources. Great for simulated crystal mining or gemstone mining. Among the favorite educational minerals for kids. 1 lb. - Approx. 40 pcs. per pound. For quantity discounts and Wholesale pricing, call 917-375-4248 or e-mail email@example.com
Genuine rough (unpolished) emerald makes a great addition to panning for gemstones or classroom mineral lessons. Great educational mineral and teacher resource. One pound has about 70+ pieces ranging in size from 1/8" - 2"