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Here is a very fine terminated crystal of gem red beryl (bixbite). The color is a lovely satur..
Here is a great example of the gem green terminated tremolite crystal from the Tanzanite mines, from..
This lovely topaz crystal from Pakistan has an amazing termination and very well-defined crystal fac..
This Indian garnet is bright and flashy, and is colored a deep blood red color that is very robust. ..
Uvarovite is the name given to the green calcium chromium garnet end member. This locality in Russia..
This is a sharp single crystal of gem clear selenite from the Pezuna Mine in Mexico. The selenite is..
This bright, sparkly aqua aura quartz specimen was created by placing a clear spirit quartz crystals..
The triclinic tabular tarbuttite crystals on this specimen are lustrous and transparent, with no col..
There is a nice layer of bright yellow lustrous adamite crystals on this specimen. They sit in..
Here is an excellent example of what is called turkey fat smithsonite, from the famous Rush Creek di..
Here is a dramatic and beautiful specimen of bright, shiny native copper, weighing 3.5 pounds, with ..
The largest crystal is .9” tip-o-tip. The piece has some daylight fluorescence (it also fluoresces m..
In the copper mines of the Upper Peninsula of Michigan, pure copper is found in nuggets, like this f..
Here is an aesthetic specimen of green quartz (called prase) from the old classic locality on Serifo..
On this specimen, the azurite has crystallized in bladed rosettes that have a lovely luster. The col..
This is a big crystal "book" of biotite mica, the variety of mica that is black due to iron in its c..
Here is a gorgeous cluster of 3 very sharp and near-perfect interlocking cubic crystals of pyrite. T..
Here is an outstanding specimen of fulgurite-a glass tube that was formed by a lightning strike in s..
The color of this copper nugget is the characteristic bright-as-a-shiny-new-penny reddish orange tha..
There are 6 almandine garnets to .5" on this excellent old time specimen from Wrangell Island, Alask..
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