erionite


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erionite

[′er·ē·ə‚nīt]
(mineralogy)
A chabazite mineral of the zeolite family that contains calcium ions and crystallizes in the hexagonal system.
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References in periodicals archive ?
Erionite exposure in North Dakota and Turkish villages with mesothelioma.
The best model for understanding asbestos-related fibrogenicity and mesothelial carcinogenicity is the very slow clearance of long, thin biopersistent fibers, of which commercial amphibole asbestos (amosite and crocidolite), erionite, and refractory ceramic fibers are excellent examples, from respiratory compartments.
Given these similarities to amphibole asbestos, the hypothesis of this study is that erionite will evoke autoimmune reactions similar to what has been seen from asbestos exposure.
Identifying people at greatest risk for developing mesothelioma, especially those exposed to dangerous levels of asbestos and erionite worldwide, is a task made easier by virtue of this discovery.
Erionite was originally thought to be a peculiarity of Turkey, but naturally occurring deposits have been identified throughout the western United States.
CHICAGO - Exposure to erionite, a fibrous, cancer-causing mineral more lethal than asbestos, is becoming a public health hazard in the United States.
Medical geologists study the source, occurrence, distribution, concentration, chemistry, crystallinity and morphology of minerals (such as asbestos, erionite, silica, pyrite, etc.
Associated species include altered pyrite, allanite-(Ce) and intergrowths of levyne and erionite.
In two Turkish villages, nearly half of all deaths since 1980 have resulted from a form of cancer caused by inhaling erionite, a brittle and fibrous volcanic mineral found in construction materials used in the villages.
TURKEY -- Erionite, a brittle and fibrous volcanic material used in some Turkish construction materials, has been found to be responsible for nearly half of all deaths since 1980 in two Turkish villages.