$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 ...

$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 ...

$15.00

This fossil is amazing. The color and condition are spectacular, as is the patterns in the specimen.

$3.00

Apple Green Calcite. Each piece is approx. 2"" x 2"" x 1"". Calcite is truly one of the best collection type minerals.

$80.00

Location: Angola 1, Sibindi, Cercle Nioro Do Sahel, Kayes Region, Mali

$17.00

A. Lincoln Sherk MD collected 11/12/1939

$4.00

Gypsum forms concretions of selenite blades called desert roses or sand roses, growing in sediments that are subjected to concentrated brines.

$5.00

Gypsum forms concretions of selenite blades called desert roses or sand roses, growing in sediments that are subjected to concentrated brines.

$5.00

Gypsum is a soft mineral, hydrous calcium sulfate. Gypsum is the standard for hardness degree 2 on the Mohs mineral hardness scale.

$9.00

This is a nice little piece of clear Gypsum, also known as Selenite.

$39.00

This piece has a great color contrast and looks great! There is very light, unnoticeable damage to some of the crystals.

$30.00

If you look at this very nice hematite, you will see my hand and camera reflected. That is how shiney this hematite is.

$50.00

Unfortunately in order to show the great crystal structure in the picture I had to sacrifice showing the amazing shine covering the entire piece. ...

$15.00

This Piece of Hematite Pseudomorph after Magnetite is in amazing condition.

$12.00

This Piece of Hematite Pseudomorph after Magnetite is in amazing condition.