Posts Tagged ‘woo converted’

Corundums Corundum is a crystalline form of aluminium oxide, with impurities or trace elements such as iron, titanium, or chromium. These impurities are what create the wide range of colors to be found in corundum crystals: grays, browns, yellows, greens, blues, purples, reds and pinks. It is a naturally transparent material, but can have different…

Carborundum Carborundum is actually the worlds very first artificially produced mineral. In the mid 1880’s an inventor/scientist named Edward G. Acheson, who had worked as assistant manager of European interests for Thomas Edison, started his own experimental laboratory in Monongahela City, Pennsylvania. He had a crazy notion that he could produce man made diamonds by…

“Iceland Spar” (aka) Optical Calcite Brazilian Optical Calcite beautifully ground and Polished in Germany Calcite, Iceland Spar, Optical Calcite This variety of Calcite is called “Iceland Spar”, which is basically clear cleaved fragments of completely colorless (ice-like) calcite. Originally discovered in and named after Eskifjord, Iceland. The Iceland spar displays the classic cleavage form of…

Dogtooth Calcite and Mariposa Calcite Rare Purple Dogtooth Calcite Dogtooth Calcite is a variety of Calcite that forms as multiple scalenohedral crystals. Dogtooth Calcite is often referred to as Dog-toothed Spar. (Spar is a general term for transparent to translucent, generally light-colored and vitreous crystalline minerals.) Dogtooth Calcite is an unusual variety of calcite and…

Calcite Calcite is the principal mineral of the rock group known as carbonates and is a major component in limestone and dolomite. Calcite is made of calcium carbonate which reacts to most acids (such as hydrochloric acid) and effervesces on contact. Calcite can be found in many seashells and also in caves and karsts such…

Home Igneous Sedimentary Metamorphic Rock Cycle Bismuth Crystals Bismuth Made in America Bismuth is a natural mineral but  Mother Nature doesn’t make Bismuth Crystals!  Bismuth is rarely found in nature in its elemental form. Of growing interest in rock shops, however, are laboratory-grown bismuth crystals. These crystals, while not natural, are nonetheless very interesting and…

Desert Rose Selenite Desert Rose Mexico Desert Rose is the name given to rosette formations of the minerals gypsum and barite with sand inclusions. The ‘petals’ are crystals flattened , fanning open along characteristic gypsum cleavage planes. The rosette crystal habit tends to occur when the crystals form in arid sandy conditions, such as the…

Home Igneous Sedimentary Metamorphic Rock Cycle Barite aka Baryte Barite is well known for its wide range of colors and beautiful crystal formations. It is a mineral specimen that collectors and rockhounds seek to have in their collections. Barite is easy to identify by its weight, it is a heavy mineral, much heavier than similar…

Aura Quartz Crystals Aura Quartz Angel Aura Spirit Quartz Sunset Aura Quartz The beauty of Aura Quartz crystals with their shimmering iridescence and metallic rainbow sheen in colors that defy nature are mesmerizing to see. Aura crystals are Quartz crystals that have been modified by electrostatically bonding or vapor deposition of precious pure earth metals…

Home Igneous Sedimentary Metamorphic Rock Cycle Aragonite 28g Aragonite Cluster from Morocco $18.00 Read more 36g Aragonite Cluster from Morocco $20.00 Read more Aragonite Vug from Socorro New Mexico $49.00 Read more Old Stock Cave Aragonite Stalactite $59.00 Add to cart Aragonite is the second most common polymorph of natural calcium carbonate. The most common…