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actinolite

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actinolite (ăktĭn`əlīt): see amphibole amphibole (ăm`fəbōl')
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actinolite

Colourless to green amphibole mineral, darkening with increased iron content from green to black. It has a prismatic and splintery texture and is abundant in regionally metamorphosed (see metamorphism) rocks such as schists. Actinolite has a monoclinic crystal structure, and it may alter to chlorite. See also asbestos.
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Health Canada categorizes the different types of asbestos under two broad mineralogical groups: serpentine (chrysotile) and amphibole (tremolite, actinolite, amosite, anthophyllite, crocidolite, etc).
Asbestos claims rising by Larmour, Adelle / Northern Ontario Business
In Wadi Sikait, these rocks are represented by phlogopite and actinolite schists in the schist melange.
Archaeological geology of the world's first emerald mine by Harell, James A. / Geoscience Canada
Amphibole minerals include five asbestos species: amosite, crocidolite, tremolite, anthophyllite, and actinolite.
The asbestos cancer epidemic by LaDou, Joseph / Environmental Health Perspectives
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