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Red Cloud wulfenite is considered world class for its brilliant red-orange color, and this thumbnail..
This is a great lot of 15 kyanite specimens, featuring blue bladed crystals up to 6.6" in length. Th..
Tektites are aerodynamically-shaped splash glass formed when terrestrial material was ejected by the..
There are 9 specimens in this flat of Moroccan barite, and every one is attractive and highly sellab..
Here are 9 attractive and fascinating stalactites from India, each consisting of a long stalactite t..
Larimar comes from the Dominican Republic, which is the only place in the world it is found. This is..
Here is a great collection of Herkimer Diamonds for resale or your collection. These are mostly sing..
I rarely see rhodonite crystals from the San Martin Mine that are colored more intensely rosy pink.&..
Here is a specimen of realgar from Peru featuring a dramatic combination of minerals: besides the sp..
Here is a gorgeous cluster of 7 very sharp and near-perfect interlocking cubic crystals of pyrite. T..
This is a very clean and astonishingly clear Herkimer diamond crystal from HIckory HIll Diggings. Th..
This beautiful crystal of aqua aura quartz is transparent, with brilliant luster, exceptional irides..
"Bull's eye" malachite is an excellent term for the concentric cirdular patterns on this polished sp..
This superb specimen of reddish-orange wulfenite comes from the 2015 find at the Jianshan Mine in Ch..
Here is a specimen of large mounds of adamite crystals on limonite gossan matrix from the classic Mi..
The color of this fluorite is a lovely light yellow, with crystals that are sharply formed as see-th..
Here is a classic specimen of babingtonite featuring dense nests of lustrous, jet-black bladed cryst..
This is a very nice specimen of verde antique, a variety of serpentine, from the original Vermont Ve..
Here is a large cluster of pyrite crystals in a fine metallic gold color. It features shiny bright n..
Here is a very colorful dioptase specimen from Kazakhstan that is a rich emerald green. Many of the ..
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