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Here is a specimen of of gemmy clear barite from the 2016 pocket at the Linwood Mine. The crys..
Here is a large nugget of real copal amber from Madagascar's Cap d'Ambre. The piece is colored a bri..
Fossilized dung is called coprolite, and this is a great example of dinosaur poop which has petrifie..
It is amazing that this pyrite specimen is 100% natural, not man-made, it looks so machine-perfect. ..
Here is a faden quartz crystal, with a sharp, thick white line down the middle of the group of doubl..
This is a rare alabandite crystal that features a superb octahedron that is 1.1" on the longest edge..
Here is a beautiful specimen featuring lightly frosted and translucent sea-foam green fluorite. The ..
This is a brightly metallic, highly reflective specimen of pyrite, featuring well-formed, sharp, und..
This is a specimen of yellow fluorite from an outstanding find at this little-known quarry in the so..
The crystals on this calcite specimen are formed as steep-flanked dogtooth crystals. Most of t..
This is a brilliantly metallic molybdenite crystal, from what is arguably the world’s finest localit..
Here is a large, elaborate copper formation that shines with a bright metallic luster and brilliant ..
Here is a wulfenite specimen which came from the now famous 2013 find at Arizona's Rowley Mine, whic..
The sulfur in this amazing specimen has dripped over an edge in the volcano to create a formation mu..
Here is a richly colorful gem slice of an amethyst stalactite from Uruguay, which has been cut and p..
Wulfenite from the Red Cloud Mine is famous for its brilliant red-orange color, and this thumb..
Here is a specimen of pyrite, formed into a very sharp (and 100% natural) cubic crystal. The edges o..
This dark blood red almandine garnet weighs 13 ounces, and fits nicely in the palm of your hand. It ..
The entire surface of this fluorite specimen is covered with vibrant red-violet fluorite crystals wh..
This is a good specimen of lazurite, commonly known as lapis lazuli, with a very rich royal blue col..
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