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Rare Riebeckite Quartz Crystal from South Africa

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1 month ago by novembergems

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S$50

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4 Likes

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L5.2cm W3.2cm H3.3cm 63g Riebeckite is blue to black in color--including everything in between. This crystal helps you change things that are in the way of your spiritial growth or to move them out of the way. It encourages friendship and helps you to be cheerful. This is an excellent crystal for the study and pursuit of mathematics. Riebeckite is a great problem-solver; helping you to wade through easily to the solution. This crystal also brings out the problem-solving abilities you already have. It brings out your psychic or intuitive side. Riebeckite also helps you put the lid on any areas where you tend to over-extend yourself, reminding you gently to avoid that behavior. Riebeckite forms in two very different habits. The darker-colored forms which are individually crystallized are generally of igneous origin, such as volcanic rock and pegmatites. The finely fibrous variety, known as Crocidolite, usually originates from alteredmetamorphic rocks. The Crocidolite variety is a type of asbestos, and is sometimes also referred to as "blue asbestos". It is considered to be the most hazardous form of asbestos, and should never be brought near the mouth. If its fibers or particles enter the lungs, they can cause asbestosis. Asbestosis is a lung disease caused by inhalation of asbestos particles, which causes several cancers, particularly lung cancer and mesothelioma. Symptoms of asbestosis do not arise until about 20 years after the inhalation. Due to the hazards, washing hands after handling specimens is highly recommended. Many mineral collectors avoid collecting asbestos minerals out of safety concerns. Riebeckite forms a series with Magnesio-riebeckite, which is the magnesium-dominated end member which has magnesium replacing part of the iron in its structure. Riebeckite crystals are frequently included within larger crystals of Quartz, and will sometimes turn the Quartz a blue color if the inclusions are very fine. Riebeckite was named after the German explorer and mineralogist Emil Riebeck (1853–1885). Tiger's Eye, a well-known inexpensive gemstone, is a pseudomorph of compact Quartz after finely the fibrous Crocidolitevariety of Riebeckite. It is formed when the Quartz takes over and dissolves the Crocodolite, leaving the Quartz compact yet composed of solid fibrous - and chatoyantforms. When polished, it's silky luster creates a beautiful chatoyant effect of moving layers of brown and yellow lines and waves. Crystal # Fluorite # Labradorite # Smoky # Sphere # Point # aower # Rose Quartz # Malachite # Clear Quartz # Tourmaline # Scenic # Lodolite # Celestite # Lapis # Rutile # Hematite # Stalecite # Amethyst # Aquamarine # Calcite # Apidot # Phantom # Azurite # Enhydro # Epidote # Kyanite # Vanadinite # Pyrite # Tibetan # Garnet # Rosasite # Aragonite # Dioptase # Dendritic # Agate # Chlorite # Sphalerite # Galena # UV Reactive # Amber # Feldspar # Apophyllite # Stilbite # Cobaltoan # Prehnite # Wavellite # Apatite # Wulfenite # Barite # Mordenite # Titanite # Chalcedony # Natrolite # Afghanite # Heulandite # Topaz # Morganite # Moscovite # Mica # Crocoite # Stibnite # Conichalcite # Moldavite # Actinolite # Opal # Rhodochrosite # Hemimorphite # Copper # Brookite # Fuchsite # Amber # Citrine # Lazurite # Albite # Sodalite # Chevron # Scapolite, Diopside # Riebeckite # Herkimer diamond #

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dorischewyyLove the item v much, is kind of unusual feeling ...read more
1 week ago
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pinkpanther.rnga friendly seller. had a good chat with him. will ...read more
2 weeks ago
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pinkpanther.rngpleasant transaction. seller was friendly. will de...read more
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