Rare Bastnäsite Crystal Specimen in Pottle Black Friday Worrystone This is a natural Agate

This is a natural Agate

11 (7cm x 2

This is an exquisite lens of Quartz with a rare 'blue needle' inclusion of Dumortierite needle crystals (as shown in the backlit photos)

This piece also has a large pocket of indigo Iolite

Primarily composed of cerium

Rare Bastnäsite Crystal Specimen in Pottle Black Friday Worrystone This is a natural AgateBastnsite is a vital rare earth fluorocarbonate mineral with the general chemical formula REE(CO)F. Primarily composed of cerium, lanthanum, and neodymium, it is one of the world's principal commercial sources for light rare earth elements, which are essential for manufacturing electric vehicles, wind turbines, and high strength magnets. This specimen comes in a protective pottle with identification label. Specimen measures approx. 1. 3cm x 0. 8cm x