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Balangeroite : ウィキペディア英語版
Balangeroite

Balangeroite is found in one of the most important chrysotile mines in Europe, the Balangero Serpentinite. It is considered an asbestiform in an assemblage of other mineral phases like chrysotile, magnetite and Fe-Ni alloys. In addition to its fibrous occurrence, balangeroite's association with chrysotile raises concerns about its potential toxicity when its fibers are inhaled.
==Introduction==
Balangeroite is classified as belonging to one of the two asbestiform silicate groups, the serpentine group. It is intergrown with the dominant member of the serpentinite, chrysotile, often associated with tremolite (a contaminant of chrysotile), which is classified as part of the amphibole group, the other asbestiform silicate. Massive serpentines are economically important for providing building material. The fibrous nature of chrysotile is particularly valuable for thermal insulation purposes, fireproofing etc. Tremolite contaminated chrysotile shows that the toxicity of the asbestos is due to the presence of tremolite and not the entire mass of the chrysotile. Recent publications by Turci 〔 have drawn some conclusions that balangeroite contaminated chrysotile does have some areas of concern and can be attributed to the overall toxicity of the airborne fibers in the Balangero mine. Therefore, it cannot be compared to tremolite or croidolite in level of pathogenicity as the two have been proven by autopsies and biopsies to be present in the bodies of the people exposed to their fibers.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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