Benitoite with Joaquinite

This piece came out of an older collection and dates back at least 20 years. The front side displays 9 crystals, all complete, save one with contact interference at the back. The back reveals 4 more benitoites, as well as deep amber joaquinites. Ex Ken Reed collection.

Locality: Dallas Gem Mine, San Benito County, California

Composition: barium titanium cyclosilicate