Posts Tagged ‘woo converted’

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…

Apophyllite, Stilbite and other Zeolites “Zeolite-ZSM-5-3D-vdW”. Licensed under Public domain via Wikimedia Commons – https://commons.wikimedia.org/wiki/File:Zeolite-ZSM-5-3D-vdW.png#mediaviewer/File:Zeolite-ZSM-5-3D-vdW.png Heat water and you’ll see steam rise as it comes to a boil. You can get the same thing to happen if you heat a unique rock called a Zeolite, which traps water inside itself. In 1756 a Swedish Geologist…

Amethyst  Amethyst is mother nature’s classy version of a quartz crystal! They are visually stunning and have been in demand for many centuries. Its name derives from the Greek “amethystos”, which means “not drunken”, as Amethyst in ages past was thought to ward off drunkenness. This gemstone is also said to protect its wearer against…

Amethyst, Citrine Spirit (Cactus) Quartz… Magaliesburg Crystals The Magaliesberg is one of the oldest mountain ranges in the world at 2300 million years old, or 100 times the age of the Himalayas. The Magaliesberg Mountain Range is located in the Gauteng Province near Pretoria, South Africa. The small crystals that encase the bases of larger…