Spirit quartz from Boekenhouthoek, Mpumalanga Province, South Africa, also called cactus quartz. A main central quartz crystal covered by hundreds of smaller secondary crystal points growing outward from its surface in every direction. Each secondary point is a complete quartz...

Herkimer diamond in natural matrix from Herkimer County, New York, approximately 3 inches wide and just under 2 inches tall, weighing 0.31kg. Most Herkimer diamonds are sold loose after extraction. This one stays in its original dolostone matrix, exactly as...

Raw corundum star ruby crystal from India, approximately 0.75 inches. Under direct light from above, a star of four or six rays appears across the buffed surface caused by aligned rutile needle inclusions inside the crystal. The same chromium that...

Orthoceras fossil sphere, 2.5 inches in diameter, from Madagascar. Orthoceras were ancient cephalopods, related to modern nautilus and squid, that lived over 400 million years ago. The polished sphere cross-sections multiple fossil specimens simultaneously, showing their characteristic internal chambers across...

Hand-carved mini mushroom figurines in your choice of opalite, sodalite, agate, quartz, onyx, red jasper, green aventurine, or bloodstone. Each mushroom is approximately 1 to 1.5 inches, carved from a single piece of the chosen stone. Every material produces a...

Diana Maria Mine fluorite specimen from Weardale Valley, County Durham, England, 1.75 by 1.35 inches. Tiny shimmering green cubic fluorite crystals on matrix. In normal light the natural green color shows. Under UV light this specimen transforms to vivid bright...

Single mini bottle of Herkimer diamonds direct from Diamond Mountain Mining in Little Falls, NY. The bottle is about 0.75 inches tall and 0.5 inches wide and contains 1.5 grams of Herkimer micro diamonds. At micro scale the double terminations...

Yellow banded calcite tower obelisk, Option B, approximately 4.5 inches tall by 1 inch in diameter. The banding forms as alternating layers of calcite precipitate from calcium-rich water. Each layer records a distinct deposition event and trace mineral fluctuations determine...

Yellow banded calcite tower obelisk, Option C, approximately 5.5 inches tall by 1.25 inches in diameter. The tallest of the three banded calcite tower options. The warm yellow banding forms as calcite precipitates in alternating layers and trace mineral fluctuations...

Yooperlite crystal tower, approximately 3 inches tall and 0.75 inches wide, from the shores of Lake Superior in Michigan's Upper Peninsula. In normal light this looks like any other grey-brown rock. Under UV light it transforms into something that glows...

Amethyst scepter from Vera Cruz, Mexico with a rare enhydro inclusion, approximately 1 inch, with a custom engraved display base. Tilt this specimen and a bubble of ancient fluid moves inside the crystal. The fluid is genuinely ancient, sealed inside...

Tabasco geode specimen from Mexico, 35mm by 24mm, polished on the front to reveal the natural banding, the distinctive red ring around the interior cavity, and the tiny druzy crystals inside. The red ring is the diagnostic feature specific to...