There are 197 minerals sized at miniature.
Click on the mineral photo to see additional views of the specimen.
A textbook, hexagonal crystal of the ruby variety of corundum is aesthetically posed on a mica schist matrix. The crystal measures 2.8 cm and is exceptional for this obscure locality.
Location: Sagstuen, Farsjo, Arnes, Nes, Akershus, Norway
Dimensions: 5.5 x 4 x 2cm
A group of octahedral cuprite crystals sit in the middle of an intergrown conglomerate of copper replacing bi-pyramidal octahedrons of cuprite. Excellent example of this pseudomorph.
Location: Poteryaevskoe Mine, Rudnyi Altai, Western Siberian Region, Russia
Dimensions: 6.5 x 3 x 3cm
Locality: Asia, Europe
Very sharp, red and silvery red octahedrons of cuprite averaging 2 MM lining vugs throughout a limonite gossan matrix. Some of the vugs (there are many) show the acicular variety of cuprite known as chalcotrichite as bright red needles.
Location: Bisbee, Cochise County, Arizona
Dimensions: 6.5 x 4.7 x 4.4cm