The material is also highly brittle and friable. Tiger's eye is actually formed from hawk's eye. The chemical formula of Crocidolite asbestos is: [ [Na2] [ (Fe2+)3 (Fe3+)2 ] [ (OH)2|Si8 O22] This is much more complicated that other forms of asbestos, contains no magnesium ions, but shares most other common elements, with the exception … 12001-28-4 is an amphibole found primarily in southern Africa, but also in Australia. email: [email protected]. Those sickened by Amosite asbestos should seek a civil law remedy. Crocidolite asbestos is a blue silicate mineral and is one of the most dangerous forms of asbestos. Chrysotile definition of chrysotile by the free dictionary. Chemical and physical information. However, it can also appear yellow or dark gray depending on its mining source and its processing. The blue color of Crocidolite asbestos explains its nickname as “blue asbestos,” which is in contrast to brown asbestos (Amosite) and common white asbestos (Chrysotile). Find Similar Structures. Molecular Formula: Unspecified Additional Metadata. Chemical Formula: SiO2, Silicon Dioxide; Hardness: 7; … 949-565-6086 A high soda content along with traces of iron and magnesium cause crocidolite to appear blue in many of its natural and processed forms. It is also known as Riebeckite and aside from its blue color, it is also distinguishable by its sodium content and very fine fibrous strands which are easily lodged in the lungs. PubChem CID. Search for chrysotile information look up quick results now! Chemical geodynamics in a back arc region around the Sea of Japan: implications for the genesis of alkaline basalts in Japan, Korea, and China. This gemstone has a refractive index between 1.54 and 1.55, and an SG between 2.63 and 2.65. You will be able to win compensation for medical bills and other losses through this course of action. Chemical Safety. Riebeckite, a sodium-iron silicate mineral [Na2Fe2+3Fe3+2Si8O22(OH)2] in the amphibole family. Because this group of silicate minerals can be readily separated into thin, strong fibers that are flexible, heat resistant, and chemically inert, asbestos minerals were once used in a wide variety of products. Its general chemical formula is 3Na 2 O6FeO2Fe 2 O 3 16- Si0 2 11 2 0. At least 107 000 people die each year from asbestos-related diseases, including lung cancer. An exposure relatedness illness is a prerequisite for filing litigation. Chrysotile mineral data. Tiger's eye is actually formed from hawk's eye. A national trust fund, intended to compensate workers injured by asbestos, has been proposed in Congress multiple times but has never passed into law. Crocidolite has a high-temperature resistance and an extremely high resistance to acids. Crocidolite was originally preferred alongside chrysotile for industrial use in Europe, Australia, and Africa. Systematic Name: Asbestos, crocidolite CAS Number: 12001-28-4. Crocidolite asbestos has the highest temperature resistance of all forms of asbestos. CHEMICAL AND PHYSICAL INFORMATION 4.1 CHEMICAL IDENTITY Asbestos is a generic term for a group of six naturally-occurring, fibrous silicate minerals that have been widely used in commercial products. The hardness of Tiger’s Eye is 7 and it belongs to the hexagonal crystal system. Mesowatch mission serves as an industry watchdog and advocates for patients and families affected by asbestos by providing reliable and up-to-date news stories and information on asbestos use and exposure. Crocidolite. The major commercial source is South Africa, where it occurs i Asbestos minerals fall into two groups or classes, serpentine asbestos and … The blue asbestos occurs only in very few localities and is mined only in large quantities in South Africa. Also try. Crocidolite or blue Asbestos is considered to the most lethal form of Asbestos. Because crocidolite is naturally formed in bundles of long, sharp fibers, it is more readily inhaled and causes more rapid health consequences than any other asbestos form. Because crocidolite is naturally formed in bundles of long, sharp fibers, it is more readily inhaled and causes more rapid health consequences than any other asbestos form. The government will provide for Medicare payments for some individuals sickened by asbestos, especially federal employees that have contracted it while working for the government. Similarly to the other types of asbestos in the amphibole group, it has long, straight, and friable fibers. You will obtain immediate assistance and a free, confidential case evaluation. It is found in countries like Australia, Bolivia, Canada and South Africa. (NIOSH, 2008). This mineral in its asbestos form is recognized as the most harmful and carcinogenic of all asbestos minerals. In 2013, for example, the … Past performance and settlements do not guarantee or indicate the outcome of an individual case. Asbestos – a group of minerals that includes chrysotile, crocidolite, amosite, anthophyllite, tremolite and actinolite – is one of the most important occupational carcinogens. Physical dangers Chemical dangers Formula: Na 2 Fe++ 3 Fe+++ 2 Si 8 O 2 2 (OH) 2 Molecular mass: 765.98 Decomposes at 1200°C Relative density (water = 1): 3.3-3.4 Solubility in water: none Chemical Formula: SiO2, Silicon Dioxide; Hardness: 7; … These straighter fibers make the amphibole asbestos more likely to be inhaled while also causing more carcinogenic effects in a shorter period of time. Crocidolite asbestos, which is also known as blue asbestos due to the color of its fibers, occurs in South Africa, as well as in Bolivia and Australia. Those involved with Crocidolite asbestos abatement procedure will be able to have their health studied, wash off residue, and receive adequate training on the more dangerous aspects of the job as well as associated health risks. It has fallen out of popular demand and use due to public perceptions about the dangers involved with it however. Crocidolite asbestos was not mined in the US, but was used in spray on insulation solutions, electrical wire insulation, cement sheets, tiles, fireproofing, waterproofing and even steam pipes and ovens. If its fibers or particles enter the lungs, they can cause asbestosis. Information provided by Mesowatch aims to provide legal and financial assistance and should not be considered a substitute for medical advice, treatment or diagnosis. silicate having the chemical formula 1.5Mg0 5.5Fe0 8SiO2 H20. Call Toll-Free Aware of this danger, US manufacturers rarely used crocidolite, with less than four percent of all asbestos in the U.S. containing crocidolite. Asbestiform amphibole may also occur as soft friable fibers but some varieties such as amosite are commonly straighter. Common Products Made with Crocidolite Asbestos: If you or someone in your family has been exposed to crocidolite or other asbestos types and have been diagnosed with cancer, contact our legal team immediately. With its beautiful blue-green hue, crocidolite is a type of asbestos with a deceptively captivating appearance that hides the material’s deadly nature. Other forms of this asbestos have a “wooly” look to it, reflecting its fine fibers. … Asbestos, its chemical and physical properties. Laboratory Chemical Safety Summary (LCSS) Datasheet. Formula: ◻ [Na2] [Z2+3Fe3+2]Si8O22(OH,F,Cl)2 A variety of Riebeckite Root Name Group A fibrous form of Riebeckite or Magnesioriebeckite. Mesowatch Chemical Substance. 4. Structure. Chemical Formula: [ ]Na2(Fe++3Fe+++2)Si8O22(OH)2 : Composition: Molecular Weight = 935.90 gm Sodium 4.91 % Na 6.62 % Na 2 O Iron 29.84 % Fe 23.03 % FeO / 17.06 % Fe 2 O 3 Silicon 24.01 % Si 51.36 % SiO 2 Hydrogen 0.22 % H 1.92 % H 2 O Oxygen 41.03 % O _____ _____ 100.00 % 100.00 % = TOTAL OXIDE: Empirical Formula: Contrary to popular belief, there is no national ban on asbestos in the US or Canada. Other programs exist for federal employees, long shore and harbor workers, and Veterans. State worker compensation boards also have provisions to help those crippled by an asbestos related disease. Crocidolite asbestos was by no means durable however and most forms that exist today are subject to breakdown where they will almost certainly release fine fibers into the air. The material is also highly brittle and friable. The information in CAMEO Chemicals comes from a variety of data sources. It has straight blue fibers and occurs in bundles of very long lengths. During the pseudomorph transformation process, materials that contain more iron oxide result in brownish tiger's eye; less oxidation and less iron tends toward the original blue color of crocidolite. Chemical Formula: [ ]Ca2Mg5Si8O22(OH)2 : Composition: Molecular Weight = 812.37 gm Calcium 9.87 % Ca 13.81 % CaO Magnesium 14.96 % Mg 24.81 % MgO Silicon 27.66 % Si 59.17 % SiO 2 Hydrogen 0.25 % H 2.22 % H 2 O Oxygen 47.27 % O _____ _____ 100.00 % 100.00 % = TOTAL OXIDE: Empirical Formula… Chemical formula: Crocidolite Na 2 Fe 1 Fe [(OH,F)Si 4 O 11] 2 Color(s): yellow, brown, blue, red Streak: blue-gray, gold-brown, yellow Luster: vitreous, glassy Transparency: translucent to opaque Crystal system: monoclinic Specific Gravity: 3.2-3.3 Hardness (Mohs): 5.5-6 Cleavage: very good Fracture: fiberous Uses: jewelry, mineral specimens Body reacts to the presence of asbestos in the asbestiform habit, lung capacity lowers dramatically and the suffocates... 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