actinolite


Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to actinolite: epidote, tremolite

ac·tin·o·lite

 (ăk-tĭn′ə-līt′)
n.
A greenish amphibole mineral, Ca2(Mg,Fe)5Si8O22(OH)2, that occurs in several forms, including a fibrous form that is a variety of asbestos.

actinolite

(ækˈtɪnəˌlaɪt)
n
(Minerals) a green mineral of the amphibole group consisting of calcium magnesium iron silicate. Formula: Ca2(Mg,Fe)5Si8O22(OH)2
[C19: from actino- (from the radiating crystals in some forms) + -lite]

ac•tin•o•lite

(ækˈtɪn lˌaɪt)

n.
a variety of amphibole, occurring in greenish bladed crystals or in masses.
[1825–35]
ac•tin`o•lit′ic (-ˈɪt ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.actinolite - a green mineral of the amphibole groupactinolite - a green mineral of the amphibole group; calcium magnesium iron silicate
amphibole - a mineral or mineral variety belonging to the amphibole group
amphibole group - a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum
References in periodicals archive ?
crocidolite, anthophyllite, tremolite, actinolite, amosite, chrysotile).
In the chlorite rock it is observed to a great extent, because actinolite is not formed in this stone and we can conclude that the rock still is not reached at the green sheet mass (figure 13).
Non-metallic minerals are apatite, quartz, hornblende, actinolite, epidote, chlorite, Saussure, pomegranate.
The rocks correspond to actinolite schists and chlorite schists (Figure 3a and 3b) with mineral assemblages as follows: actinolite + chlorite + quartz + plagioclase (albite) + epidote minerals [+ or -] muscovite [+ or -] calcite.
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.
And finally, Tremolite, Actinolite, and Anthophyllite asbestos are found occasionally in industrial or commercial products.
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.
Higher grade rocks contain actinolite and epidote indicative of greenschist- facies conditions.
4) The principal varieties of asbestos are chrysotile, a serpentine mineral, and crocidolite, amosite, anthophyllite, tremolite, and actinolite, all of which are amphiboles.