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This 15-gram chrysoprase nugget is gem rough quality, and is colored an especially vivid turquoise b..
This lab grown specimen features crystals with hoppered edges that are fully developed, but the inte..
The Jaimina mine is well known for fluorite with gem clarity and lovely phantoms, and this piece is ..
Here is a high-quality specimen of green prase quartz from Serifos island in Greece. The exquisite, ..
Apatites from Durango, Mexico are colored a distinctive, tropical lemon-yellow color. This is a supe..
You will be amazed by the flashy colors on this brilliantly luminous specimen of ammolite, a varieta..
The highlights of this fine barite crystal are its high luster, gemmy partial transparency and a sha..
Here is an unusually large garnet crystal that is very well-formed and pretty darn sharp for its siz..
There are 3 winged insects (they look like winged ants) that were trapped inside this piece of amber..
Here is a fossil coprolite that probably came from a duck-billed dinosaur, a herbivore that lived in..
This is a gemmy, double terminated, sharp crystal of kunzite. It is a pretty pink prismatic crystal ..
This specimen of realgar from the Paloma mine features an interesting combination of minerals. Under..
Here is a gemmy, sharp, red-orange, tabular wulfenite crystal from the world-famous Red Cloud Mine i..
This is an attractive specimen featuring needle-like dark green epidote crystals. The crystals have ..
The green color of the fluorite from the William Wise Mine in SW NH is still considered by many to b..
The colors on this lab grown specimen of bismuth are out of this world- green, blue, gold, silver an..
There are 3 large and several small octahedral alum crystals on this lab grown specimen, the largest..
This is a 1.91 carat diamond crystal from the Kasai River in the D.R.Congo. The crystal is colored a..
This is a specimen of blue fluorite, from the Blanchard Mines in Bingham, NM. The piece is made up o..
I visited an imperial topaz mine near Ouro Preto during my 2016 trip to the Brazil. The miners desce..
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