$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.

$14.00

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

$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.

$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.

$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.

$18.00

This is a beautifully carved frog that is a consistent medium green with small rings of light green.. it is about the same size as a 50 cent piece ...

$14.00

This is a beautifully carved frog that has mostly dark green with 3 strips of light going down the center like race stripes.

$10.00

This is a beautifully carved frog that is a consistent medium green with a light green spiral on the belly.

$100.00

Location: Milpillas Mine, Quitaca, Senora, Mexico

$175.00

This is a really sharp specimen! It is very clean and sweet. Really nice pieces from this this location are getting harder to find with great quality.

$3.50

Calcite is truly one of the best collection type minerals. There are lots of interesting forms and varieties as well as colorful and beautiful ...

$40.00

This Metatorbernite specimen is a true beauty.

$69.00

Radioactive! This is one of the radioactive species from Namibia. It has very nicely formed crystals sitting on matrix.

$30.00

Location: Tsumeb Mine, Otavi-Bergland District, Nambia

$3.00

This mini geode half shows lots of color and mineral variation.

$65.00

This is a nicely terminated Monazite crystal from a find in the Erongo Mtns area of Namibia.

$66.00

Mordenite is one of the less common Zeolites. This is a fine specimen with snow white Scolecite included with Mordentie ball nestled in medium peach ...

$35.00

This are wonderful cabs from an old collection and come from material that is no longer available from this site. These are also cut and polished by ...

$30.00

This are wonderful cabs from an old collection and come from material that is no longer available from this site. These are also cut and polished by ...

$35.00

This are wonderful cabs from an old collection and come from material that is no longer available from this site. These are also cut and polished by ...

$35.00

This are wonderful cabs from an old collection and come from material that is no longer available from this site. These are also cut and polished by ...

$12.00

To see a spectacular lighting show, rotary base is the best choice. Displays Crystals and Minerals with a full color advantage on a rotating base.

$25.00

Natrual citrine. Lightbrary refers to the ""teacher"" crystal surrounded by the smaller ""student"" crystals.

$120.00

This is a 100% natural Quartz point! There are record keepers all down the sides and there are also rainbows throughout the piece.

$50.00

Now this is what I call a specimen! On one half of the piece you have some great, textured Galena cubes, all in great condition, then on the other ...

$121.00

PRICE IS 20% OFF REGULAR PRICE! These are natural octahedral crystals that are bi-colored Fluorite.

$100.00

PRICE IS 20% OFF REGULAR PRICE!

$39.00

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

$100.00

This is from a new find of the only mine producing Orange Kyanite. Orange Kyanite is one that will bring light into ones life.

$100.00

This is from a new find of the only mine producing Orange Kyanite. Orange Kyanite is one that will bring light into ones life.

$100.00

This is from a new find of the only mine producing Orange Kyanite. Orange Kyanite is one that will bring light into ones life.

$30.00

Location: LA Libertad Mine, Quiruvilca Dist., Santiago De Chuco Province, La Libertad Dept., Peru

$200.00

This is a very beautiful Pietersite Cabashon set by Cranston. If you like Pietersite, this is the piece for you. The chatoyancy of this piece is ...

$16.00

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

$16.00

Location: Searles Lake, California