SCHORL TOURMALINE on Quartz
NaFe₃Al₆(BO₃)₃Si₆O₁₂(OH)₄
Cahuilla mountain, Riverside County, California

Schorl is the most common member of the tourmaline group. It is not important as a gem material, but sometimes forms large well-formed lustrous crystals of interest to collectors.

Size: 12 cm long crystal

Acquired: 1989 purchase, Chromy Fund.

Disposition: On display in the California Minerals exhibit.

Catalog Number: 33135