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This is a sharp, gemmy vivid green .6" emerald crystal from Colombia. The six-sided crystal is..
This lovely specimen of aquamarine features excellent aesthetics and sharp crystallization. The sky ..
This sparkling specimen features dark red translucent spessartine garnets that almost completely cov..
Here is a specimen of petalite, a rare lithium-rich pegmatite mineral. This section of a crystal has..
Here is a superb pyrite specimen from the 2018 season at Navajun, which produced some of the finest ..
You are going to love the color on this 19.2 carat, heart shaped piece of moldavite, which is the fi..
In 2012-13 this locality in Morocco produced high quality, bright yellow (with a touch of green) flu..
At Mount Malosa in Malawi, aegerine often forms in elongated slender crystals like this. The crystal..
This specimen of sillimanite comes from southern New Hampshire, where a friend of mine collects thes..
There are a dozen apatite crystals on this fine matrix specimen. All are a bright lemon yellow and a..
Here is a specimen featuring mounds of adamite crystals on a limonite gossan matrix from the classic..
Here is a single quartz crystal that features inclusions of hollandite stars inside the faces. ..
Here is a group of 12 amazingly bright, extraordinarily sharp interlocking pyrite cubes that create ..
Here is a sharp, doubly terminated vesuvianite crystal from Morocco. The color is a lovely cho..
Perched atop a dark greenish black matrix there are 4 large, sharp crystals to 1.6" along with some ..
This is a very nice crystal of smoky quartz, from a 1959 find at Government Pits. The crystal appear..
Here is an excellent specimen of pyrite, crystallized in very sharp cubic shape, measuring 2" on the..
This pyrophyllite specimen is made up of groups of radiating crystals which have grown outward form ..
Coprolite (fossil dinosaur poop) is a favorite with young people because of what it is... EEUUWW! Fo..
The inside of this gem-clear, double terminated quartz crystal features two phantoms, one at each en..
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