amphibole asbestos

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• amphibole asbestos — Collective term for three highly fibrous (asbestiform) varieties of amphibole: crocidolite, amosite, and actinolite. All have long, silky to splintery fibres with appreciable tensile strength and are of economic importance as asbestos. * * *… …   Universalium

• amphibole asbestos — one of the two major classes of asbestos, characterized by fibers too brittle to be spun but more resistant to chemicals and heat than the serpentine form. It is less widely used than serpentine asbestos and is thought to be much more… …   Medical dictionary

• Asbestos — For other uses, see Asbestos (disambiguation). Fibrous asbestos on muscovite …   Wikipedia

• asbestos — asbestine /as bes tin, az /, asbestous, adj. asbestoid, asbestoidal, adj. /as bes teuhs, az /, n. 1. Mineral. a fibrous mineral, either amphibole or chrysotile, formerly used for making incombustible or fireproof articles. 2. a fabric woven from… …   Universalium

• Amphibole — (pronounced amfi bowl) defines an important group of generally dark colored rock forming inosilicate minerals, composed of double chain SiO4 tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their… …   Wikipedia

• Asbestos fibers — are released from asbestos containing materials (ACMs). Friable asbestos containing materials release fibers more readily than encapsulated asbestos containing materials. Determining airborne asbestos fiber levels The standard methodology(MDHS100 …   Wikipedia

• amphibole — /am feuh bohl /, n. Mineral. any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many… …   Universalium

• Asbestos and the law — This article concerns asbestos related legal and regulatory issues.BackgroundIn the late 1800s and early 1900s, asbestos was considered an ideal material for use in the construction industry. It was known to be an excellent fire retardant, to… …   Wikipedia

• Asbestos — Asbestus As*bes tus, Asbestos As*bes tos (?; 277), n. [L. asbestos (NL. asbestus) a kind of mineral unaffected by fire, Gr. ? (prop. an adj.) inextinguishable; a priv. + ? to extinguish.] (Min.) A variety of amphibole or of pyroxene, occurring in …   The Collaborative International Dictionary of English

• amphibole group — noun a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum • Hypernyms: ↑mineral • Member Meronyms: ↑amphibole, ↑nephrite, ↑actinolite,… …   Useful english dictionary

• amphibole — noun a mineral or mineral variety belonging to the amphibole group • Hypernyms: ↑mineral • Hyponyms: ↑nephrite, ↑actinolite, ↑anthophyllite, ↑asbestos, ↑hornblende • Member Holonyms: ↑ …   Useful english dictionary