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Amphibole is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Amphibole books and related discussion.

Suggested Pdf Resources

Inosilicates (Pyroxenes and Amphiboles)
Minsoc Poster final.cdr
IMA-AMPHIBOLE CLASSIFICATION SCHEME (2004). General Formula: A B C T O (O, OH, F, Cl). 0-1.
Amphibole “sponge” in arc crust?
volumes of amphibole-bearing cumulate rocks such as diorite to show that amphibole is an important mineral during differentiation of arc magma.
Chain Silicates: Amphiboles
Amphibole (monoclinic) Structure. (001). (010) Cation Sites in Amphiboles.

Suggested News Resources

Draft Toxicological Review of Libby Amphibole Asbestos: In Support of the
Aug 25, 2011 (FIND, Inc.
EPA estimates on toxicity of Libby Asbestos available for public comment and
Denver, Colorado -- The US Environmental Protection Agency (EPA) is providing the public with an opportunity to comment on draft toxicity values for a unique form of asbestos called Libby Amphibole asbestos.
New Map Shows Locations of Naturally Occurring Asbestos in California
An additional eight counties contain occurrences of ultramafic rocks, serpentinite, or fibrous amphibole, which indicate that these counties contain geologic environments that could be favorable for the occurrence of asbestos.
San Diego jury returns $2.4 million verdict in asbestos suit
John Crane presented evidence that if Mansir actually had diffuse malignant mesothelioma, it was due to exposure to amphibole asbestos fibers, not the chrysotile asbestos fibers associated with the company's products.
Ontario mayor decries 'shameful' Tory tactics toward asbestos widow
Proponents maintain the substance is safe when handled properly and argue that the asbestos being mined in Quebec, chrysotile, is far less dangerous than the notorious amphibole variety.

Suggested Web Resources

Amphibole - Wikipedia, the free encyclopedia
Amphibole Group: Amphibole Group mineral information and data.
An extensive and complex group of minerals presently divided into several sub- groups (see subgroup files for species within each subgroup).
Amethyst Galleries - AMPHIBOLE GROUP
The amphibole minerals are inosilicates of the general formula XY2Z5(Si, Al, Ti)8 O22(OH, F)2.
Amphibole is a name given to silicate minerals with the general composition Ca2 (Fe,Mg)5Si8O22(OH)2.
It's Your Health - Vermiculite Insulation Containing Amphibole
Oct 1, 2009 2009 article from Health Canada and the Public Health Agency of Canada. Some vermiculite insulation may contain asbestos fibres.

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