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amphibole
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amphibole
▪ I. amphibole1 (ˈæmfɪbəʊl) [a. Fr. amphibole, 1. adj. ‘ambiguous, of a double sense’ (Cotgr. 1611), 2. the mineral; ad. L. amphibol-um ambiguous, a. Gr. ἀµϕίβολ-ον thrown or hitting on both sides, ambiguous, f. ἀµϕί on both sides + βολ-, βαλ- stem of βάλλ-ειν to throw.] † 1. An ambiguity; = amphibo...
Oxford English Dictionary
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Amphibole
Pseudomorphs of amphibole after pyroxene are known as uralite. Four of the amphibole minerals are commonly called asbestos.
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Amphibole Peak
Amphibole Peak () is the highest peak in the Gabbro Hills, with an elevation of . It was given its name by the Southern Party of the New Zealand Geological Survey Antarctic Expedition (1963–64), because minerals of the Amphibole group
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Amphibolite
amphibole. In epidiorite the original clinopyroxene (most often augite) has been replaced by the fibrous amphibole uralite.
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Winchite
Winchite is a mineral in the amphibole group. References
Monoclinic minerals
Amphibole group
Calcium minerals
Sodium minerals
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Crossite
Crossite is an inosilicate double chain sodic amphibole and is a rare silicate mineral belonging to the riebeckite group. References
External links
Crossite on Mindat
Crossite on Webmineral
Sodium minerals
Iron(II,III) minerals
Magnesium minerals
Amphibole group
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Kaersutite
Kaersutite is a dark brown to black double chain calcic titanium bearing amphibole mineral with formula: NaCa2(Mg3Ti4+Al)(Si6Al2)O22(O)2. References
Amphibole group
Monoclinic minerals
Minerals in space group 12
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مجموعة الأمفيبول
يعود أصل كلمة أمفيبول Amphibole إلى الإغريقية αμφιβολος أمفيبولوس بمعنى غامض، وكان العالم الجيولوجي رينيه جست أيوي هو أول من استخدمها في تصنيف التريموليت
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~(40)Ar-~(39)Ar plateau ages of biotite and amphibole from tonalite of ...
Biotite and amphibole samples from tonalite of Huangling granitoids give~(40)Ar-~(39)Ar plateau ages of 837.3±4.2～838.7±4.0Ma and 844.0±4.2Ma after the incremental heating,respectively,which is the late stage of Jinning movement.Combined with the age data of Huangling granitoids,we get the cooling curve of the tonalite,which reveals a magma activity period of 850Ma～800Ma,the results ...
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Tschermakite
Tschermakite shows the characteristic amphibole perfect cleavage on [110]. Amphibole group
Inosilicates
Monoclinic minerals
Minerals in space group 12
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Hornblende
It is not a recognized mineral in its own right, but the name is used as a general or field term, to refer to a dark amphibole. Compositional variances
Hornblende is part of the calcium-amphibole group of amphibole minerals.
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Chesterite
Chesterite is used for research on stacking formations and symmetry point groups that could be possible polymorphs or polysomes of the amphibole-anthophyllite Chesterite has no direct usage, but some geologists or scientists generally classify it under the amphibole-anthophyllite group.
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Gedrite
Gedrite also forms a series with another ferromagnesian amphibole, anthophyllite. References
Amphibole group
Orthorhombic minerals
Minerals in space group 62
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Ferri-obertiite
Ferri-obertiite is an amphibole group mineral that was formally approved by the International Mineralogical Association in 2015. References
Amphibole group
Silicate minerals
Sodium minerals
Magnesium minerals
Iron(III) minerals
Titanium minerals
Monoclinic minerals
Minerals in space
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en.wikipedia.org
40Ar-39Ar plateau ages of biotite and amphibole from tonalite of ...
Biotite and amphibole samples from tonalite of Huangling granitoids give 40Ar-39Ar plateau ages of 837.3 ± 4.2-838.7 ±4.0Ma and 844.0 ± 4.2Ma after the incremental heating, respectively, which ...
www.researchgate.net