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Related to actinolite: epidote, tremolite
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  • noun

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a green mineral of the amphibole group

References in periodicals archive ?
The Bugalagrande Group is composed of chlorite and actinolite schists interlayered with pelitic schists and quartzites, while El Rosario Complex consists of amphibolites and garnet amphibolites with weak- to well-developed foliation.
However, the Raman spectra of actinolite may be very similar, and therefore caution must be exercised when interpreting the spectra (Figure 18).
A similar chemical evolution was found by Kawakatsu and Yamaguchi (1987) from brown magnesiohornblende and magnesiohastingsite towards green magnesiohorblende and actinolite in calc-alkaline plutonic rocks.
This area is blessed with unlimited and heavy deposits of precious and semi-precious stones, precious and semi-precious metals, and industrial stones like Ruby, Gold, Topaz, Aquamarine, Tourmaline, Epidote, Paragasite, Zircon, Actinolite, Lead, Moonstone, Himalayan Quartz, Emerald, Marble, Granite, Feldspar, Mica, Calcite, Feldspar, Antimony, Graphite, Alum, Coal, Copper, Barite, China Clay etc".
The rigid, stiff amphiboles are represented by five forms: crocidolite, amosite, anthrophylite, tremolite, and actinolite.
Signed by former Health Minister Suleiman Franjieh and former Environment Minister Akram Chehayeb, the law bars the importing of Crocidolite, Amosite, Anthophyllite, Actinolite and Tremolite but allows a common asbestos called Crysotile, known as white asbestos.
The Chim Formation has been intruded by several porphyry aphosis which are commonly sericite, more rarely epidote and magnetite altered) Propylitic alteration in the Chim Formation shales is commonly green chlorite, with actinolite and magnetite identified at the bottom of the hole.
A remarkable number of other species have also been identified as inclusions in Zambian emeralds, including actinolite, tremolite, chlorite, dravite, apatite-(CaF), magnetite, hematite, quartz, fluorite, magnesite, siderite, dolomite, calcite, ankerite, niobium-rich rutile, pyrite, talc, zircon, barite, albite, lepidocrocite, glauconite, quartz, chrysoberyl, margarite, muscovite, biotite, brookite, tourmaline and chrysotile (Huong, 2008; Zwaan et al.
The amphiboles show a wide compositional range and very complex zoning from magnesium hornblende, titanium and chromium rich, to ferrous hornblende and actinolite (Arias, 2002).
4) The principal varieties of asbestos are chrysotile, a serpentine mineral, and crocidolite, amosite, anthophyllite, tremolite, and actinolite, all of which are amphiboles.
Section 4 of the Asbestos Information Act of 1988 defines asbestos as chrysotile, amosite, or crocidolite, or in fibrous form, tremolite, anthophyllite, or actinolite.
Gangue minerais consist of quartz, sericite, chlorite, actinolite, tremolite, hornblende and calcite (Minfile 103P 023).
The six types of asbestos are chrysotile, crocidolite, amosite, anthophyllite, tremolite and actinolite, but only the first three have been mined on a large scale.
Asbestos is made up of 6 different fibrous minerals--amosite, chrysotile, crocidolite, actinolite, anthoplylite and fibrous varieties of tremolite.
The proposal directly concerns the following products: actinolite asbestos, grunerite asbestos, anthophyllite asbestos, chrysotile asbestos, crocidoliteand tremolite.