A fragment of a roeblingite nodule, showing its characteristic porcelaneous, or coconut-like,...
Large matrix piece of carphatite in quartz. The long acicular carpathite crystals are protected...
Nice and colorful “fantasy rock” from the Taseq slope in Greenland. We have chkalovite “eyes”...
Fluorapatite crystals in magnetite. The fluorapatite crystals are elongated and all aligned in the...
Fluorapatite crystals in magnetite. The fluorapatite crystals are elongated and all aligned in the...
Perhaps not the most impressive fluorescent rock, but quite interesting: tiny grains of pabstite...
A "rischorrite" rock with some interesting fluorescent minerals. In what I call the front, there...
A rich specimen of holtite blades and polilithionite flakes. Under shortwave UV light the holtite...
A common mix of calcite, sphalerite, and willemite from the Sterling Mine, but with an unusual...
A rare piece of solid zektzerite (after sogdianite, according to the label) with a little...