amphibole group


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Noun1.amphibole group - 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
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
amphibole - a mineral or mineral variety belonging to the amphibole group
nephrite - an amphibole mineral consisting of calcium magnesium silicate in monoclinic crystalline form; a source of jade that is less valuable than from jadeite; once believed to cure kidney disorders
actinolite - a green mineral of the amphibole group; calcium magnesium iron silicate
anthophyllite - a dark brown mineral of the amphibole group; magnesium iron silicate
asbestos - a fibrous amphibole; used for making fireproof articles; inhaling fibers can cause asbestosis or lung cancer
tremolite - a white or pale green mineral (calcium magnesium silicate) of the amphibole group used as a form of asbestos
hornblende - a green to black mineral of the amphibole group; consists of silicates of calcium and sodium and magnesium and iron
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive ?
Collector's Guide to the Amphibole Group covers an important, beautiful set of crystals--the amphiboles--and organizes them in such a way that mineral collectors will understand their properties and structural features.
Collector's Guide to the Amphibole Group
So far, the study has been focused to blue asbestos (Crocidolite), a part of the amphibole group of asbestos minerals that were used in such products as ceiling tiles and thermal insulation, before being banned in most of the Western world by the mid-Eighties.
Scientists studying how asbestos fibres cause cancer
The amphibole group of asbestos is listed under the Hazardous Products Act (crocidolite asbestos) with specific regulations pertaining to its import and use.
Asbestos claims rising
A chemical analysis would be required to determine the specific member(s) of the amphibole group present.
Famous mineral localities: the Francon quarry, Montreal, Quebec
Crocidolite (riebecite), amosite (grunerite), tremolite, actinolite, and antophyllite are members of the amphibole group of minerals, which form about 5% of all mined asbestos.
Assessment of occupational exposure to asbestos in energy and transport enterprises/Asbestiohu hindamine energia- ja transpordiettevotetes
And then the alphabetized list, Amphibole Group to Zircon, takes off.
Field Guide to Rocks and Minerals of Southern Africa
Relationship to other species: It is a member of the amphibole group, calcic subgroup.
Abstracts of new mineral descriptions
(1997) classification, and considering the generic formula for the amphibole group, [AB.sub.2][C.sup.VI.sub.5][T.sup.IV.sub.8]-[O.sub.22][(OH).sub.2], the chemical analysis of the amphibole from the Nueva Vizcaya mine shows Si filling the T position, and the A position remaining vacant.
The Nueva Vizcaya mine: Burguillos del Cerro Badajoz, Spain
Relationship to other species: A member of the amphibole group.
Abstracts of new mineral descriptions
Name: For the approved nomenclature of the Amphibole group. The name approved by the CNMMN of IMA is fluoromagnesioarfvedsonite, not fluormagnesioarfvedsonite.
Fluoro-magnesio-arfvedsonite: Monoclinic. (Abstracts of new mineral descriptions)
Relationship to other species: A member of the amphibole group. This amphibole differs from ferro-anthophyllite because it has a different space group.
Protofero-anthophyllite
Relationship to other species: A member of the amphibole group. This amphibole differs from members of the anthophyllite series because it has a different space group.
Protomangano-ferro-anthophyllite

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