Quartz with Magnetite, Cuprite, and Stannite 5" x 3” Fossils The cluster usually weighs around

The cluster usually weighs around 1 pound

Miners utilized to cleave these octahedrons out of the high-grade fluorite in the mines

Chalcopyrite is a copper iron sulfide mineral that is an important ore of copper

marine gastropod mollusks in the family Volutidae

Quartz with Magnetite, Cuprite, and Stannite 5" x 3” Fossils The cluster usually weighs aroundThis Quartz Specimen has amazing Magnetite, Cuprite, and Stannite crystals on the base. It measures roughly 5" x 3 and comes from China. Quartz with magnetite, cuprite, and stannite is a rock composed of quartz, which is a common mineral that is typically white or clear, and three other minerals: magnetite, cuprite, and stannite. These minerals are often found together in the same rock, and the combination of their different colors and properties can