Top quality gem borcarite crystals from a new superb find in San Bartolo Mine, Charcas, Mexico. Borcarite is a rare calcium magnesium borate and these are among the finest borcarite crystals in the world.  It displays well formed tabular crystals with gemmy areas. They have very pleasing sea blue color. They are strongly lustrous. Sparkling, colorless micro crystals of an unidentified mineral grow in clusters above. It displays all over 360 degree. In very good condition – some side contacts. On acrylic base.

Exceptional!