9hljdir ((PENTAHYDROBORITE on BLUE CALCITE)), $10 MINIMUM BID, Crestmore, Riverside, California, 3 x 3 x 2 cm, Miniature | |
Pentahydroborite is white in the blue Calcite. Pentahydroborite is a calcium borate. This specimen is from a collection of micros and rare species in miniature sized specimens. A loop or microscope may be needed to view the actual species. |