Difference between revisions of "Crocidolite"

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[[File:87_Crocidolite_200X adj.jpg|thumb|Crocidolite]]
== Description ==
A fibrous, blue-green mineral composed of sodium iron silicate. Crocidolite is a minor commercial form of asbestos, called blue asbestos. It is found in Europe, Africa, South America and the United States. Crocidolite fibers have a harsh texture. They have fair flexibility and are strong. Crocidolite fibers are used to reinforce polymers and as heat resistant textiles.
== Synonyms and Related Terms ==
blue asbestos; riebeckite; crocidolite (Port.); Krokidolit (Deut.)
[[File:87_Crocidolite_200X_pol adj.jpg|thumb|Crocidolite]]
== Other Properties ==
Fiber length = 12-300 mm (0.5 - 12 inches)  Diameter = 300-350 angstroms.  Luster = silky to dull.Cross section is polygonal or circular.  Tensile strength = 80,000-200,00 psiResistant to alkalis and acids.
{| class="wikitable"
! scope="row"| Mohs Hardness
| 4.0
! scope="row"| Density
| 3.2-3.3
== Hazards and Safety ==
Noncombustible.  Unaffected by heat.Carcinogenic.  Highly toxic by inhalation of dust.Skin contact cause irritation.
== Authority ==
* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971
* Richard S. Lewis, Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
* ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
* ''Identification of Textile Materials'', The Textile Institute, Manchester, England, 1985
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998
[[Category:Materials database]]

Revision as of 07:40, 24 July 2013