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The fibrous forms of riebeckite are known as crocidolite and are one of the six recognised types of asbestos. Often referred to as blue asbestos, it is considered the most hazardous. The association between blue asbestos and mesothelioma was established by J. C. Wagner, C. A. Sleggs, and P. Marchand by 1960. [7]
Asbestos (/ æ s ˈ b ɛ s t ə s, æ z-,-t ɒ s / ass-BES-təs, az-, -toss) [1] is a group of naturally occurring, toxic, carcinogenic and fibrous silicate minerals.There are six types, all of which are composed of long and thin fibrous crystals, each fibre (particulate with length substantially greater than width) [2] being composed of many microscopic "fibrils" that can be released into ...
The Koegas mine was a crocidolite (blue asbestos) mine in Northern Cape, South Africa. It lies near to the town of Prieska and drew much of its workforce from there and Griquatown ; though significant proportions also came from Botswana, Zimbabwe and Malawi.
The most common asbestiform mineral is chrysotile, commonly called "white asbestos", a magnesium phyllosilicate part of the serpentine group. Other asbestiform minerals include riebeckite, an amphibole whose fibrous form is known as crocidolite or "blue asbestos", and brown asbestos, a cummingtonite-grunerite solid solution series.
The mountains were named after the asbestos which was mined in the 20th century and is found as a variety of amphibole called crocidolite. Veins occur in slaty rocks, and are associated with jasper and quartzite rich in magnetite and brown iron-ore. Geologically it belongs to the Griquatown series. [citation needed]
Australian Blue Asbestos Pty. Ltd. (ABA) was a company founded by Lang Hancock, operated between the years (1938–1966) responsible for the mining, bagging and distribution of blue asbestos or crocidolite, in Wittenoom, in northern Western Australia.
Wittenoom is a former town and a declared contaminated site, 1,420 kilometres (880 mi) north-north-east of Perth, in the Hamersley Range in the Pilbara region of Western Australia.
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