David K. Joyce

Colemanite

$40.00
5.1x5.4x3.5 cm
Boron
Kern Co.
California, USA

ColemaniteColemaniteColemanite

Item number: 24681

Very sharply terminated bladed crystals of this borax mineral cover the top of this specimen. I think the rounded, brownish crystals are calcite or dolomite. From the famous borax mines of California, near Boron! s