actinolite

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actinolite

(ăktĭn`əlīt): see amphiboleamphibole
, any of a group of widely distributed rock-forming minerals, magnesium-iron silicates, often with traces of calcium, aluminum, sodium, titanium, and other elements.
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actinolite

[‚ak′tin·ə‚līt]
(mineralogy)
Ca2(Mg,Fe)5Si8O22(OH)2 A green, monoclinic rock-forming amphibole; a variety of asbestos occurring in needlelike crystals and in fibrous or columnar forms; specific gravity 3-3.2.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
In the middle and upper workings, euhedral uralite "crystals" to three centimeters have been found sparingly in small pockets along with "byssolite"-included quartz.
Famous mineral localities: Green Monster Mountain, Prince of Wales Island, Alaska
Ferro-actinolite and actinolite are the main so-called asbestose minerals, also referred to as "byssolites," which fill most of the veins in the area.
FROM LA COMBE DE LA SELLE, SAINT CHRISTOPHE-EN-OISANS, ISERE, FRANCE
Ted Johnson of Yankee Minerals had some interesting specimens of byssolite on white pericline from Val d' Ala, Piemonte, Italy.
New Jersey Shows 1997

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