$3.00

From a rare find in the Viburnum, Trend, Missouri comes this extra-small specimen of Massive Galena (a lead sulfide), the most important ore mineral ...

$14.00

This specimen of Galena and Sphalerite is really a great piece.

$15.00

Calcite Pseudo-morphed after Ikatite.

$15.00

Calcite Pseudo-morphed after Ikatite.

$15.00

Calcite Pseudo-morphed after Ikatite.

$15.00

Calcite Pseudo-morphed after Ikatite.

$15.00

An actual leaf is covered with liquid metal that burns off the membrane of the leaf, but leaves the skeleton of the leaf intact and then ...