Prolonged exposure to one variety, called amphibole fibers, appears to bring serious tissue damage and cancer.    From Wordnik.com.  [To Yank Or Not To Yank?] Reference

In the amphibole group, there are five types of asbestos.    From Wordnik.com.  [Asbestos] Reference

The frequency and width of these defects vary with amphibole type.    From Wordnik.com.  [Geology of asbestos] Reference

The amphibole group of minerals is widely found throughout the Earth's crust.    From Wordnik.com.  [Geology of asbestos] Reference

The average chemical composition of amphibole minerals may be represented as.    From Wordnik.com.  [Geology of asbestos] Reference

The geological origin of amphibole asbestos fibers appears to be quite varied.    From Wordnik.com.  [Geology of asbestos] Reference

Elemental analysis data for several chrysotile and amphibole samples are presented in the table below.    From Wordnik.com.  [Geology of asbestos] Reference

Long thin asbestos fibers blue Asbestos, amphibole fibers are more potent carcinogens than "feathery fibers".    From Wordnik.com.  [Your Right Hand Thief] Reference

Near Loreto is S. Lucia di Tallano, 1270 ft., with a quarry of a beautiful amphibole, a variety of hornblende.    From Wordnik.com.  [Itinerary through Corsica by its Rail, Carriage & Forest Roads] Reference

Avoidance of use of Asbestos containing products, in particular of amphibole Asbestos friable Asbestos materials.    From Wordnik.com.  [1. Introduction.] Reference

From this generic representation, the chemical composition of the amphibole asbestos can be given as noted in Table 1.    From Wordnik.com.  [Geology of asbestos] Reference

The crystalline structure common to amphibole minerals consists of two ribbons of silicate tetrahedra placed back to back.    From Wordnik.com.  [Geology of asbestos] Reference

Asbestos is not a chemical element, but rather an umbrella term for two groups of minera (serpentine and amphibole Asbestos).    From Wordnik.com.  [Chapter 10] Reference

Neither olivine nor amphibole can be distinguished.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference

It contains no garnet or amphibole, but metalloid diallage disseminated in the mass.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference

Chiefly thither are cardinal types of asbestos particles, videlicet amphibole and snakelike.    From Wordnik.com.  [Blogpulse Top Links] Reference

Backscattered electron image of amphibole grain in AT-1610 with a thick reaction rim surrounding it.    From Wordnik.com.  [Latest Articles] Reference

These rocks are composed predominantly of the minerals plagioclase feldspar, amphibole, and pyroxene.    From Wordnik.com.  [Featured Articles - Encyclopedia of Earth] Reference

I have found in it neither amphibole nor pyroxene, but some small white points, which seem to be feldspar.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference

Both are common alteration products of magnesian silicate minerals such as olivine, pyroxene, and amphibole.    From Wordnik.com.  [The Economic Aspect of Geology] Reference

Asbestos is a fibrous mineral that exists in two main categories, the serpentine minerals and amphibole group.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

These lavas, destitute of amphibole and mica, are of a blackish brown, often varying to the deepest olive green.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference

This quantity amounts in the basalt of the modern mineralogists only to 0.20, while in amphibole it exceeds 0. 30.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference

The asbestos in serpentine is mostly the less-harmful form, chrysotile, rather than the more dangerous form - amphibole.    From Wordnik.com.  [Discover Blogs] Reference

It is easy to distinguish two formations in the euphotide; one is destitute of amphibole, even when it alternates with amphibolic rocks.    From Wordnik.com.  [Travels to the Equinoctial Regions of America] Reference

Continued temperature decreases change the minerals dominating the composition of the rock from pyroxene, to amphibole, and then biotite.    From Wordnik.com.  [Featured Articles - Encyclopedia of Earth] Reference

Economically, it is the most important type of amphibole (amphibole represented.    From Wordnik.com.  [1. Introductory part: Asbestos - Deposits, uses, types, characteristics] Reference

Microscopic structure of amphibole fibers.    From Wordnik.com.  [Geology of asbestos] Reference

Chemical composition of amphibole asbestos.    From Wordnik.com.  [Geology of asbestos] Reference

Steel volcanic glass, pyroxene, amphibole (H 5-6).    From Wordnik.com.  [volcanic ash hazards and ways to minimize them] Reference

Medicine, grape cure. amphibole.    From Wordnik.com.  [xml's Blinklist.com] Reference

(chrysotile) or amphibole Asbestos.    From Wordnik.com.  [1. Introductory part: Asbestos - Deposits, uses, types, characteristics] Reference

N. - rock composed of amphibole; hornblende.    From Wordnik.com.  [xml's Blinklist.com] Reference

0.20, while in amphibole it exceeds 0. 30.    From Wordnik.com.  [Travels to the Equinoctial Regions of America] Reference

Serpentine Asbestos, amphibole Asbestos, fibre Asbestos, blue Asbestos.    From Wordnik.com.  [Chapter 10] Reference

Feldspar, clinopyroxene, +/- olivine, +/- orthopyroxene, +/- amphibole.    From Wordnik.com.  [volcanic ash hazards and ways to minimize them] Reference