David K. Joyce

Corundum

$35.00
6.9x3.5x3.8 cm
Craigmont Mine
Renfrew County
Ontario, Canada

CorundumCorundum

Item number: 26770

A tapered corundum crystal section is exposed in feldspar-corundum matrix. Corundum; the hardest mineral after diamond on the Moh's scale!