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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..
This matrix specimen features a flattened, rounded disc of azurite that formed on a white kaolinite ..
The 1.1" apatite crystal on this exceptional matrix specimen is a bright golden yellow and has a com..
The largest crystal on this specimen of smoky quartz is 1.7" tall, and it has a 100% gemmy interior...
I first saw specimens of fluorite from Muzquiz in 2001 in Tucson, and immediately fell in love with ..
This is an extremely large single garnet crystal that is unusually well-formed and pretty darn sharp..
I love the smooth velvety surface of botryoidal mottramite, and this specimen is a beautiful example..
Some 15 million years ago a meteorite smashed into what is now southern Germany, sending off splashe..
The apatite crystals on this fine matrix specimen are a bright golden yellow, with captivating inter..
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