Accueil / minerai valentinite
The Mineral antimony Antimony is a native element that can occur in a natural state, but it is rarely pure . It almost always contains some arsenic , and may also contain traces of silver, iron, and sulfur.
Plus de détailsMSC14-01 Valentinite, Pyrite Request Price Miniature, 3.9 x 2.8 x 1.5 cm San Jose Mine, Oruro City, Cercado Province, Oruro Department, Bolivia. This specimen is stunning for the species, with unusually distinct, well-formed crystals to 1.5 cm arrayed in an (also unusual) radial cluster on minimal matrix.
Plus de détailsValentinite is a weathering product of hydrothermal antimony-bearing veins, where it forms as a secondary mineral through oxidation in the upper parts of the deposits. It occurs associated with stibnite , native antimony, stibiconite , cervantite , kermesite and tetrahedrite .
Plus de détailsAug 24, 2011· Valentinite is a high lustered, often fibrous oxide mineral. It forms sprays of crystals that are usually matted to the host rock in radiating clusters. Its adamantine (gem-like) to pearly luster serves to add a nice quality to this uncommon antimony mineral.
Plus de détailsValentinite is an atimony oxide mineral that can be found as colorless or white with some tints or shades of yellow and/or red. This rock was found during the 19th century by a man named Basilius Valentinus. The element is Sb2O3. Which it stands for Antimony and Oxygen.
Plus de détailsThis is a list of minerals for which there are articles on Wikipedia.. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species.Within a mineral species there may be variation in physical properties or minor amounts of impurities that are recognized by mineralogists or wider society as a ...
Plus de détailsValentinite is an antimony oxide mineral with formula Sb 2 O 3. Valentinite crystallizes in the orthorhombic system and typically forms as radiating clusters of euhedral crystals or as fibrous masses. It is colorless to white with occasional shades or tints of yellow and red.
Plus de détailsValentinite Up for sale is a 3x1.8x1.1 cm crystal group of large, sharp crystals of Valentinite from the Colavi Mine, Machamarca, Potosi, Bolivia. Check out my other listings.
Plus de détailsPicture of dark grey antimony mineral in a rock chunk with valentinite, specimen from California, plus see our other antimony pictures!
Plus de détails3]; however, an orthorhombic phase which bears the mineral name valentinite is well known. Stibioclaudetite ASSB[O.sub.3] a new mineral from Tsumeb, Namibia: Stibioclaudetite has been found at the Tsumeb mine, Namibia, in bladed crystals to 6 mm association with leiteite, ludlockite, smithsonite and quartz.
Plus de détailsValentinite is a weathering product of hydrothermal antimony-bearing veins, where it forms as a secondary mineral through oxidation in the upper parts of the deposits. It occurs associated with stibnite , native antimony, stibiconite , cervantite , kermesite and tetrahedrite .
Plus de détailsValentinite definition is - a mineral Sb2O3 consisting of antimony oxide in orthorhombic crystals polymorphous with senarmontite. a mineral Sb2O3 consisting of antimony oxide in orthorhombic crystals polymorphous with senarmontite…
Plus de détailsThis page was last edited on 21 July 2018, at 10:36. All structured data from the main, property and lexeme namespaces is available under the Creative Commons CC0 ...
Plus de détailsorthorhombic valentinite and cubic senarmontite are secondaiy minerais formed by the geo- logic alteration of stibnite (Sb2S3) and other antimony minerais (Roberts et al., 1974). Antimony triulfide ocurs in nature as the minerai stibnite.
Plus de détailsValentinite is a mineral. Its chemical formula is Sb 2 O 3. It is a mineral form of antimony xide. It has a Mohs hardness of 2.5 to 3. It is colorless to white. Its specific gravity is 5.76. It is made when stibnite is oxidized ...
Plus de détailsA spray of valentinite crystals on matrix. A decent reference specimen from this find. This is a rare opportunity to obtain a an example with macroscopic crystals.
Plus de détailsDakota Matrix Minerals sells rare, worldwide mineral specimens to the mineral collector.
Plus de détailsBest specimens with Valentinite for sale. Cookies on the Minfind website. We use cookies to ensure that we give you the best experience on our website.
Plus de détailsMineral Valentinite is known to crystallize in the orthorhombic system of crystal formation. In optical mineralogy, this orthorhombic crystal system comprises crystals having three mutually perpendicular axes, of which all are of different lengths.
Plus de détailsValentinite is a high lustered, often fibrous oxide mineral. It forms sprays of crystals that are usually matted to the host rock in radiating clusters. Its adamantine (gem-like) to pearly luster serves to add a nice quality to this uncommon antimony mineral.
Plus de détailsA rare CaCO 3 modification that is metastable below approx. 400°C. May be stabilised by sulphate (Fernández-Díaz et al., 2010). Vaterite is actually composed of at least two different crystallographic structures that coexist within a pseudo–single crystal.
Plus de détailsNamed after Basilius Valentinus (Basil Valentine), who wrote about the properties of antimony. Valentinus may have been a real 15th-century chemist but some historians argue that it was a pseudonym used by one or more 16th-century German authors.
Plus de détailsValentinite definition, a mineral, antimony xide, Sb2O3, formed by the oxidation of various minerals containing antimony and occurring in the form of white orthorhombic crystals. See more.
Plus de détailsValentinite é um óxido de antimónio, mineral com fórmula Sb 2 O 3.Valentinite cristaliza no sistema ortorrômbico se forma tipicamente como aglomerados de cristais ou como massas fibrosas. É incolor com tons ocasionais para branco ou tons de amarelo e vermelho.
Plus de détailsOn a matrix of sharp quartz crystals accompanied by green prenhite aggregates, randomly disposed several groups and isolated crystals of babingtonite.
Plus de détailsValentinite from Bolivia Valentinite is Antimony Oxide (Sb2O3) and was named in 1845 after the mythical monk and alchemist Basilius Valentinus. Some of these are "textbook", tabular, monoclinic examples of Valentinite crystals as illustrated in Atlas der Krystallformen by Victor Goldschmidt.
Plus de détailsMost crystals of mineral Valentinite are found translucent to opaque in appearance most especially the more massive specimens. Valentinite is known to crystallize in the orthorhombic system of …
Plus de détailsView Valentinite Valentinite from Pribram, Bohemia, Czech Republic Off-white platy crystals of rare Valentinite to 4mm in an open vug.
Plus de détailsMineral Image Icon - Mineral image is present for this mineral. Click on Icon to view the image. Mineral Image Gallery Icon - Multiple Images are present for this mineral. Click on Icon to view the image gallery. jCrystal Form Icon - There is a Krystalshaper (jCrystal) form for this mineral. Click on Icon to view the Crystal Form Applet.
Plus de détailsFrom: Xikuangshan Sb deposit, Lengshuijiang Co., Loudi Prefecture, Hunan Province, China - Dimensions: 135x45x46mm - Sold by: Khyber Minerals - A nice example of valentinite from this recent find-- I've seen ugly pseudomorphs after stibnite from this location, but …
Plus de détailsBK99K1: Fan-shaped group of red and flattened crystals of Kermesite that has a considerable length. They are partially covered by Valentinite crystals.
Plus de détails18050606 Valentinite, Quartz, Stibnite, Suphur, Poggio Peloso, Civitella Paganico, Tuscany, Italy
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