$21.00

Location: Dzhezkazgan, Kazakhstan

$49.00

Location: Shaba Province, Democratic Republic of the Congo

$10.00

Creedite was not a specimen that was readily available until this mine produced some of the best, if not the best, creedite in existence.

$68.00

This is a great specimen of creedite! Other than some minor contact damage this piece is in great condition.

$68.00

This is a great specimen of creedite! Other than some minor contact damage this piece is in great condition.

$88.00

This is from old stock. The adamite is an incredible turquoise blue and very lustrous.

$19.00

Location: Mina La Ojuela, Mapimi, Durango, Mexico

$28.00

Location: Mina Ojuela, Mapimi, Durango, Mexico

$35.00

This is an uncommon combination of cuprian adamite in a turquoise blue with nice clear acicular blades of hemimorphite.

$74.00

This Amethyst Cluster is definitely one of a kind. You can see both terminations on the front crystals, the ones farther back are not visible because ...

$200.00

(Ed David Collection) This is really an outstanding specimen of Amethyst.

$22.00

This Danburite crystal is a great piece to have! The top half has some great clarity and the tip is in good condition.

$24.00

PRICE IS 20% OFF REGULAR! This is a unique Danburite and is double terminated. The double terminated are not seen very often. It is a nice crystal ...

$24.00

PRICE IS 20% OFF REGULAR! This is a unique Danburite and is double terminated. The double terminated are not seen very often. It is a nice crystal ...

$16.00

PRICE IS 20% OFF REGULAR! This is a unique Danburite and is double terminated. The double terminated are not seen very often. It is a nice crystal ...

$15.00

Danburite was originally found in Danbury, Connecticut. However some of the best specimens have come from this location in Mexico.

$12.00

Location: Charcas, San Luis Potosi, Mexico

$65.00

This specimen is literally covered in Diopside crystals. Luckily there are pieces of matrix on the outer parts that allow for easy handling.

$95.00

This is a very unique specimen of Diopside. Small greenish grey needles of diopside fill the vugs of this specimen.

$30.00

This is a beautiful Dioptase crystal on top of a Quartz matrix. The color on the Dioptase is the amazing green expected from this region.

$38.00

Location: Democratic Republic of the Congo

$15.00

Location: Clifty Falls State Park, Madison, Jefferson Co., Indiana

$40.00

It was hard to choose the best angle to shoot this piece at. The two faces of this cluster are actually connected by purple Fluorite that has grown ...

$99.00

WOW! This is a very nice display piece with a nice variety of minerals present.

$79.00

These smokey quartz sceptors are great. They caused quite a stir when they were found and have found their way into the finest collections in the ...

$54.00

A crystal that has included crystals is called a manifester. In addition that this is a beautiful clear crystal.

$30.00

Beautiful Birthstone trees created from SWAROVSKI Austrian Lead Crystal on a natural Quartz crystal base. Non-Tarnish wire.

$8.00

Endlichite is a variety of Vanadanite that is rich in arsnic. These crystals are in great condition.

$32.00

PRICE IS 20% OFF REGULAR PRICE. This is a beautiful quartz cluster with epidote crystals spread throughout the piece. This piece has no damage on any ...

$32.00

PRICE IS 20% OFF REGULAR PRICE. This is a beautiful quartz cluster with epidote crystals spread throughout the piece.

$56.00

PRICE IS 20% OFF REGULAR! This is a large cluster of very nice clear quartz points and nice traditional green epidote crystals growing on the quartz.

$30.00

Location: Hongquizheng, Meingu, Xichang Area, sichuan, SW Region, china

$53.00

There are three different thread lines intersecting tabular and complicated intergrowth of distorted quartz with base and small branch leading to a ...

$17.00

A. Lincoln Sherk, MD. 1890s-1969

$20.00

Location: North of Lake George, Colorado

$39.00

This elestal Quartz is in amazing condition. there is no damage at all on the tip as well as the edges.

$24.00

Location: Slyudyanka, Baikai Region, Siberia, Russia

$32.00

Location: Baikai Region, Siberia, Russia

$34.00

There are 2 colors of fluorite in this specimen. There is a yellowish-green and the beautiful emerald green that is highly sought after.

$88.00

This is one for fluorescent enthusiests. The fluorite fluoresces bright blue and the hyalite opal fluoresces bright green.

$12.00

A thumbnail that has great display. This classic local specimen sits on a plate of quartz and has perfect purple fluorite cubes and a small ...

$89.00

The clarity on this fluorite Cube Cluster is outstanding.

$40.00

Location: Xue Bao Diang Mnts., Sichuan, China

$3.00

Fluorite (calcium fluoride) comes in an amazing array of colors. It is commonly found in purple, blue, green, yellow, and clear, but can also occur ...

$4.95

These are nice bags of fluorite octahedrons. There are around 10 to 15 pieces per bag.

$20.00

This is a fantastic Purple Fluorite and Dog Tooth Calcite Stalactite specimen.

$98.00

This Fluorite cluster has great color, clarity, and edges! It is a beautiful blue-green color and you can see directly into the piece down to where ...

$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.

$30.00

Beautiful Birthstone trees created from beautiful tumbled garnets on a natural Quartz crystal base.

$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 ...

$30.00

Beautiful Birthstone trees created from SWAROVSKI Austrian Lead Crystal on a natural Quartz crystal base. Non-Tarnish wire.

$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.

$55.00

A superb specimen of Hemimorphite. The large spray of crystals are about 1 inch in length.

$16.00

The hemimorphite from this location are well known for their delicate clear crystals that form beautiful sprays on the limonite matrix.

$12.00

The hemimorphite from this location are well known for their delicate clear crystals that form beautiful sprays on the limonite matrix.

$14.00

The hemimorphite from this location are well known for their delicate clear crystals that form beautiful sprays on the limonite matrix.

$40.00

This is an another uncommon combination of hemimorphite in a red bed of carminite.

$15.00

The hemimorphite from this location are well known for their delicate clear crystals that form beautiful sprays on the limonite matrix.

$24.00

This is a nice specimen from the classic location at Mapimi, Mexico. The rosasite really adds nice color and contrast and displays well.

$38.00

A very unique combination of hemimorphite, conichalcite, and smithsonite. Need a loop to see the smithsonite.

$25.00

A. Lincoln Sherk MD. collection 1890s-1969

$3.00

Calcite," which gets its name from ""chalix"" the Greek word for lime", is a most amazing and yet, most common mineral.

$59.00

This is some of the most fluorescent hyalite opal that I have ever seen.

$4.00

This member of the calcite family is believed to be the navigation stone used by the Vikings to find there way on the ocean when the sun was obscured ...

$400.00

South African minerals are always a wonderful part of a great collection. This specimen has very minimal damage and would provide a nice addition to ...

$30.00

This is a very cool piece. The iridescence takes place on the defined octahedral crystals, but on the base, where the contact was, it is the usual ...

$48.00

Jeremejevite is listed as one of the 10 rarest stones on the earth.

$39.00

This is an Opal from Koroit Australia. It has splashes of red and green opal in channels through the matrix. It has been set by Cranston in 14 kt ...

$899.00

This is an amazing gem crystal of kunzite that shocked me when I first saw it, because it is as clear as glass - not silky like most kunzites, but ...

$15.00

This Kyanite is a nice dark blue in a white and black Schist matrix. There is a little contact damage but otherwise the crystals are beautifully ...

$5.00

Each piece of Kyanite is similar to the ones pictured. Kyanite is a polymorph with two other minerals; andalusite and sillimanite.

$4.00

These Lamna obliqua Shark's Tooth from the Eocene Epoch are 37.5 to 54 million years old.

$150.00

THIS IS 33% off the original price. A classic from the yukon. Minimal contact damage only with good crystals.

$59.00

Lemurian quartz is revered to be given to us from the inhabitants of the Island of Lemuria.

$5.00

Some may disagree with the name ""Lemurian"" or laser quartz", but at least it identifies the type of crystal this is.

$5.00

Some may disagree with the name ""Lemurian"" or laser quartz", but at least it identifies the type of crystal this is.

$31.00

Location: Mina Huaquio, Potosi, Bolivia

$22.00

This is an amazing piece of boytroidal Malachite. There is some light contact damage on the edges, but the piece is in no way affected visually.

$21.00

Location: Katanga, Shaba Province, Democratic Republic of the Congo

$22.00

The last group of carvings we received from this source have been very nice quality and good detail.