Class (H-M): 1 - Pinacoidal. Wollastonite (Ca(SiO3)) ... CAS (Chemical Abstract Service) registry number. Any of these ions may partially substitute for calcium if they are present. Elements listed: Ca, O, Si - search for minerals with similar chemistry. Associated minerals are most often calcite, garnet, and diopside. Crystallography of Wollastonite-1AHide Crystal System: Triclinic. Physical Data for Material Physical State: Solid Odour and Appearance: Odourless; white and light green finely grained material Odour Threshold: Not … Section III. Wollastonite is an industrial mineral comprised chemically of calcium, silicon and oxygen. Although much wollastonite is Wollastonite is rarely found by itself, and ore zones in the major deposits contain 20-98% wollastonite. Natural wollastonite is an acicular (needle-like) calcium silicate mineral that occurs in triclinic and monoclinic varieties; these varieties are very difficult to distinguish from one another. ... Molecular formula. Basic properties Wollastonite–A Versatile Industrial Mineral What is Wollastonite? Chemical Name: Calcium metasilicate. It forms when impure limestone or dolomite is subjected to high temperature and pressure, which sometimes occurs in the presence of silica-bearing fluids as in skarns or in contact with metamorphic rocks. Wollaston, an English chemist and mineralogist. Natural wollastonite may contain trace or minor amounts of various metal ions such as aluminum, iron, magnesium, potassium and sodium. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. The Chemical Identifier fields include common identification numbers, the NFPA diamond U.S. Department of Transportation hazard labels, and a general description of the chemical. Wollastonite was named after W.H. Wollastonite (silicate, chemical formula CaSiO 3) exists in an acicular and non-acicular form. Mineral: Wollastonite . Wollaston (1766–1828). Wollastonite is an A natural calcium silicate mineral found in metamorphic rock Wollastonite uses and applications include: Extender, filler, pigment for paints, plastics, rubber, friction, refractory, cements, wallboard, ceramics, construction, sealants, adhesives, welding rod coatings, silica gels, paper coatings; mineral wool; soil conditioner; flatting agent in powder coatings Chemical Formula: CaSiO3 or … Wollastonite 13983-17-0 40-90% Wollastonite, a naturally occurring calcium silicate, is known to contain some quartz (silica), and feldspar. Wollastonite (calcium silicate, chemical formula CaSiO 3) exists in an acicular and non-acicular form. Chemical Properties of Wollastonite-1AHide. Its molecular formula is CaSiO3 and its theoretical composition consists of 48.28% CaO and 51.72% SiO2. Wollastonite can be characterised by: Shape (non-acicular/ acicular) Medium Mohs hardness of 5; Alkaline nature. It is usually white. 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