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crocidolite chemical formula

It has fallen out of popular demand and use due to public perceptions about the dangers involved with it however. State worker compensation boards also have provisions to help those crippled by an asbestos related disease. 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 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. Chemical Substance. 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: email: [email protected]. Call Toll-Free It commonly forms prismatic crystals, but it also occurs as a fibrous asbestiform mineral. Crocidolite asbestos was also used in acid battery casings. Asbestos, its chemical and physical properties. 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. One formula given for crocidolite is Na2Fe2+3Fe3+2Si8O22(OH)2. Its chemical formula is Mg 3 (Si 2 O 5)(OH) 4. It has straight blue fibers and occurs in bundles of very long lengths. An exposure relatedness illness is a prerequisite for filing litigation. Chrysotile mineral data. Asbestos is a commercial term that includes six regulated asbestiform silicate (silicon + oxygen) minerals. A national trust fund, intended to compensate workers injured by asbestos, has been proposed in Congress multiple times but has never passed into law. 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. In 2013, for example, the … We give voice to the victims and strive to effect real societal change. The information in CAMEO Chemicals comes from a variety of data sources. The blue asbestos occurs only in very few localities and is mined only in large quantities in South Africa. By losing elasticity, lung capacity lowers dramatically and the illness will worsen as fluid fills the lungs and the victim suffocates. 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 material is also highly brittle and friable. Chemical formula. 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. 949-565-6086 Information provided by Mesowatch aims to provide legal and financial assistance and should not be considered a substitute for medical advice, treatment or diagnosis. It is found in countries like Australia, Bolivia, Canada and South Africa. PHYSICAL & CHEMICAL INFORMATION; Physical State; Appearance LAVENDER, BLUE OR GREENISH FIBROUS SOLID. Tiger's eye is actually formed from hawk's eye. Only a doctor’s examination and x-rays can determine the extent of exposure related illness. Crocidolite is seen under a microscope as a blue fiber. Those sickened by Amosite asbestos should seek a civil law remedy. Predictably, this meant that it was used for many steam engine insulating purposes. At least 107 000 people die each year from asbestos-related diseases, including lung cancer. 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. The embedded Crocidolite asbestos fibers turn the lungs leathery and hard. Molecular Formula: Unspecified Additional Metadata. 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… Aware of this danger, US manufacturers rarely used crocidolite, with less than four percent of all asbestos in the U.S. containing crocidolite. The hair-like fibers of Crocidolite asbestos are well suited to catching in the lungs of unsuspecting victims. 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. Chrysotile information. However, it can also appear yellow or dark gray depending on its mining source and its processing. Other programs exist for federal employees, long shore and harbor workers, and Veterans. 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. The chemical formula of the glaucophane-riebeckite pair: Na 2 Mg 3 Al 2 Si 8 O 22 (OH) 2 (glaucophane) — Na 2 Fe 3 2+ Fe 2 3+ Si 8 O 22 (OH) 2 (riebeckite) Both of them contain sodium, but magnesium and aluminum of glaucophane are replaced with iron in … The major commercial source is South Africa, where it occurs i (NIOSH, 2008). Laboratory Chemical Safety Summary (LCSS) Datasheet. General chrysotile information chemical formula mg3si2o5(oh)4 composition molecular weight = 277.11 gm magnesium 26.31 % mg 43.63 % mgo. 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. Past performance and settlements do not guarantee or indicate the outcome of an individual case. Crocidolite has a high-temperature resistance and an extremely high resistance to acids. You will be able to win compensation for medical bills and other losses through this course of action. 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. It has a greater tensile strength than chrysotile asbestos but is much less heat-resistant, fusing to black glass at relatively low temperatures. A high soda content along with traces of iron and magnesium cause crocidolite to appear blue in many of its natural and processed forms. Of the amphibole silicate minerals, amosite and crocidolite … Its general chemical formula is 3Na 2 O6FeO2Fe 2 O 3 16- Si0 2 11 2 0. Crocidolite. 4. Asbestiform amphibole may also occur as soft friable fibers but some varieties such as amosite are commonly straighter. Chemical and physical information. The Crocidolite variety is a type of asbestos, and is sometimes also referred to as “blue asbestos”. Substance Name: Asbestos, crocidoliteRN: 12001-28-4UNII: CK28D16OLZInChIKey: ULEFFCDROVNTRO-UHFFFAOYSA-N. Chemical Formula: SiO2, Silicon Dioxide; Hardness: 7; … Massachusetts Asbestos Abatement Procedure, Reporting and Record Keeping Requirements. Connect with our team of the nation’s best mesothelioma lawyers, who will use their knowledge and resources to quickly identify all potentially liable parties and help you pursue maximum possible compensation for your losses. There are no national laws to compensate those that have been exposed to asbestos. Asbestos minerals fall into two groups or classes, serpentine asbestos and … Crocidolite asbestos is a blue silicate mineral and is one of the most dangerous forms of asbestos. The hardness of Tiger’s Eye is 7 and it belongs to the hexagonal crystal system. Viewing this information or interacting with this website does not create an attorney-client relationship. It is a brittle mineral with a somewhat silky appearance. The way the body reacts to the presence of asbestos is the root of asbestos related illness. silicate having the chemical formula 1.5Mg0 5.5Fe0 8SiO2 H20. 4. Blue asbestos webcrawler. These straighter fibers make the amphibole asbestos more likely to be inhaled while also causing more carcinogenic effects in a shorter period of time. Find Similar Structures. One formula given for crocidolite is Na 2 Fe II 3 Fe III 2 Si 8 O 22 2. Crocidolite. It is the fibrous form of the amphibole riebeckite. Chemical Formula: SiO2, Silicon Dioxide; Hardness: 7; … Other forms of this asbestos have a “wooly” look to it, reflecting its fine fibers. Asbestos – a group of minerals that includes chrysotile, crocidolite, amosite, anthophyllite, tremolite and actinolite – is one of the most important occupational carcinogens. 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. Chemical Safety. Mesowatch It is because of the nature of this mineral that almost 20% of its miners will die of an asbestos related disease. 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). The chemical formula of Crocidolite asbestos is: This is much more complicated that other forms of asbestos, contains no magnesium ions, but shares most other common elements, with the exception of sodium, with the other five typical forms of asbestos. It is considered to be the most hazardous form of asbestos, and should never be brought near the mouth. Na2Fe++3Fe+++2Si8O22(OH)2 or Fe2H16Mg3Na2O24Si8+14. Chemical geodynamics in a back arc region around the Sea of Japan: implications for the genesis of alkaline basalts in Japan, Korea, and China. Its chemical formula is SiO 2 and its color is yellow, brown, or multicolored. Formula: ◻ [Na2] [Z2+3Fe3+2]Si8O22(OH,F,Cl)2 A variety of Riebeckite Root Name Group A fibrous form of Riebeckite or Magnesioriebeckite. Contrary to popular belief, there is no national ban on asbestos in the US or Canada. Systematic Name: Asbestos, crocidolite CAS Number: 12001-28-4. Crocidolite or blue Asbestos is considered to the most lethal form of Asbestos. 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. Crocidolite, a gray-blue to leek-green, fibrous form of the amphibole mineral riebeckite. Crocidolite, (blue in color) ,CAS No. Crocidolite Asbestos. Search for chrysotile information look up quick results now! PubChem CID. Tiger's eye is actually formed from hawk's eye. The material is also highly brittle and friable. Home > Asbestos > Types of Asbestos Minerals > Crocidolite Asbestos. Crocidolite commonly occurs as soft friable fibers. This mineral in its asbestos form is recognized as the most harmful and carcinogenic of all asbestos minerals. Journal of Geophysical Research: Solid … Amphibole class asbestos types have straight, needle-like fibers that differ from the curlier fibers of the serpentine class asbestos chrysotile. minerals may have the same chemical formula as the ‘asbestiform’ variety. Tiger’s Eye has no double refraction whatsoever and an opaque transparency. Riebeckite is a sodium-rich member of the amphibole group of silicate minerals, chemical formula Na 2 (Fe 2+ 3 Fe 3+ 2)Si 8 O 22 (OH) 2.It forms a solid solution series with magnesioriebeckite. Crocidolite has a high-temperature resistance and an extremely high resistance to acids. Crocidolite asbestos has the highest temperature resistance of all forms of asbestos. Variation in the composition occurs where sodium may be replaced by potash, ferric or ferrous iron by magnesium or manganese and ferrous iron by aluminum. Chemical Formula: Na 2 Fe 2+ 3 Fe 3+ 2 Si 8 O 22 (OH) 2: Composition: Basic sodium iron silicate, often with some magnesium: Variable Formula: Na 2 (Fe 2+,Mg) 3 Fe 3+ 2 Si 8 O 22 (OH) 2: Color: Dark blue, grayish-blue, dark green, brown, dark gray, black: Streak: Light Greenish-brown, bluish gray, white: Hardness: 5 - 5.5: Crystal System: Monoclinic: Crystal Forms and Aggregates Also try. This gemstone has a refractive index between 1.54 and 1.55, and an SG between 2.63 and 2.65. Riebeckite, a sodium-iron silicate mineral [Na2Fe2+3Fe3+2Si8O22(OH)2] in the amphibole family. Formula (repeating unit) Na 2 (Fe 2+ 3 Fe 3+ 2)Si 8 O 22 (OH) 2: Crystal system: Monoclinic: Crystal class: Prismatic (2/m) (same H-M symbol) Space group: C2/m: Unit cell: a = 9.76 Å, b = 18.04 Å c = 5.33 Å; β = 103.59°; Z = 2: Identification; Color: Black, dark blue; dark blue to … Similarly to the other types of asbestos in the amphibole group, it has long, straight, and friable fibers. Molecular Formula. The first sign of potential damage from Crocidolite asbestos is decreased lung function. It forms part of a solid-solution series that includes both magnesioriebeckite (formed when iron is replaced by magnesium) and glaucophane (formed when iron is replaced by magnesium and aluminum). A mesothelioma or other asbestos attorney will assist you in suing the employer or prosperity owner for failing to maintain appropriate standards and safety protocol that would have protected your health. 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. Weight loss and weakness from oxygen deprivation are sure signs of illness from this form of asbestos. For this reason, as well as clear danger to miners, Crocidolite asbestos has long been out of commercial use. The asbestos lawyer will work on contingency and ensure that no fees are collected unless the case is one. The Occupation Safety and Health Administration conducts studies on the effects of Asbestos exposure on workers and provides guidelines to protect workers that work with asbestos abatement from further harm. However, due to adverse health effects, the use of asbestos in the U.S. has been significantly decreased. With its beautiful blue-green hue, crocidolite is a type of asbestos with a deceptively captivating appearance that hides the material’s deadly nature. Coughing up blood and fluid, with an increasingly worse cough is the first sign that a doctor should be consulted. 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. Chrysotile definition of chrysotile by the free dictionary. If its fibers or particles enter the lungs, they can cause asbestosis. The first crocidolite sources were discovered in Africa before the discovery of other mines in Australia and Bolivia. 12001-28-4 is an amphibole found primarily in southern Africa, but also in Australia. EPA Registry Name: Crocidolite asbestos. Crocidolite was originally preferred alongside chrysotile for industrial use in Europe, Australia, and Africa. Chrysotile, lizardite, and antigorite are the three principal serpentine silicate minerals. 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. 86278622. It became common in pipe insulation, rope lagging, and thermal insulation, especially in industrial facilities. This generally works in your favor but be careful of potential scams and have a written fee arrangement to prevent exploitation or confusion. … Structure. 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 … Exposure to the mineral quickly revealed its deadly effects, later progressing into cancers that wiped out entire mining communities. The cummingtonite/grunerite series is often termed amosite,or brown asbestos and riebeckite is known as crocidolite or blue asbestos. 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