Reviews
This Specimen has been sold.
HERE ARE SOME OTHER SIMILAR FOSSILS FOR SALE
.8" Metallic Stibnite and Calcite Crystals - China
This is a gorgeous cluster of stibnite crystals with calcite crystals, collected from China. The stibnite crystals have great metallic luster, fine striations and are in overall good shape. This specimen comes on a piece of mineral tack within an acrylic perky display case.
Stibnite is a lead-gray mineral made up of antimony sulfide and is the main ore of antimony. It often forms groups of long, shiny metallic crystals radiating out at different angles, which look like something out of a sci-fi movie.
Toxicity Warning: Stibnite (antimony) is toxic and can be harmful if inhaled or swallowed. Most of the risk is long-term, chronic exposure to its dust. While a crystal sitting on your shelf doesn't pose a health risk, you should wash your hands after handling, keep out of reach of children, and please don't lick the stibnites.
Toxicity Warning: Stibnite (antimony) is toxic and can be harmful if inhaled or swallowed. Most of the risk is long-term, chronic exposure to its dust. While a crystal sitting on your shelf doesn't pose a health risk, you should wash your hands after handling, keep out of reach of children, and please don't lick the stibnites.
Calcite, CaCO3, is a carbonate mineral and the most stable polymorph of calcium carbonate. The other polymorphs are the minerals aragonite and vaterite. Calcite crystals are trigonal-rhombohedral, though actual calcite rhombohedra are rare as natural crystals. However, they show a remarkable variety of habits including acute to obtuse rhombohedra, tabular forms, and prisms. Calcite exhibits several twinning types adding to the variety of observed forms. It may occur as fibrous, granular, lamellar, or compact. Cleavage is usually in three directions parallel to the rhombohedron form.
