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epidote
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epidote
epidote Min. (ˈɛpɪdəʊt) [a. Fr. épidote, f. as if on Gr. *ἐπιδοτός, f. ἐπιδιδόναι to superadd, f. ἐπί upon + διδόναι to give. First used in Fr. by Haüy, who explains it as meaning lit. ‘qui a re{cced}u un accroissement’ (Minéralogie 1801. III. 112), and as denoting a great additional length in the b...
Oxford English Dictionary
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Epidote
Epidote is a calcium aluminium iron sorosilicate mineral. A rock composed of quartz and epidote is known as epidosite.
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Piemontite
It is a member of the epidote group.
Red to reddish-brown or red-black in color, Piemontite has a red streak and a vitreous lustre. Associated minerals include: epidote, tremolite, glaucophane, orthoclase, quartz and calcite.
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epidosite
epidosite Petrogr. (ɛˈpɪdəsaɪt) [ad. G. epidosit (L. Pilla 1845, in Neues Jahrb. f. Min., Geognosie, Geol. 64), altered form of epidote: cf. Gr. ἐπίδοσις a free or additional giving, and see -ite1.] A rock composed chiefly of granular or fibrous epidote with some quartz.1863 Rep. Progress Geol. Surv...
Oxford English Dictionary
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Unakite
Unakite is a metamorphic rock that is altered granite composed of pink orthoclase feldspar, green epidote, and generally colorless quartz. It is also referred to as epidotized or epidote granite.
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thallite
† ˈthallite Min. Obs. [a. F. thallite (J. C. Delamétherie, 1792), f. Gr. θάλλ-ειν to flourish, bloom, or θαλλός young shoot (in allusion to its colour) + -ite1.] A rejected name for epidote occurring in yellowish-green crystals.1802 Bournon in Phil. Trans. XCII. 291 The substance called thallite (th...
Oxford English Dictionary
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Epidote Peak
Epidote is common as vein filling in cracks. A similar bed of white marble crops out on the summit of Epidote Peak.
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pistacite
pistacite Min. (ˈpɪstəsaɪt) [ad. Ger. pistazit (A. G. Werner, 1803), f. pistacia + -ite: so named from its colour.] A synonym of epidote, or name for a variety of it.1828–32 Webster, Pistacite, pistazite, see Epidote. 1859 Page Handbk. Geol. Terms, Pistacite, iron and lime epidote, in which a large ...
Oxford English Dictionary
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Epidote Peak (California)
The first ascent of Epidote Peak was made by several Sierra Club members in 1917. Climate
Epidote Peak is located in an alpine climate zone.
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arendalite
arendalite Min. (əˈrɛndəlaɪt) [mod. f. (1800) Arendal in Norway + -ite.] A synonym of epidote, retained by Dana for one of its varieties.1868 Dana Min. 282 The Arendal Epidote (Arendalite) is mostly in dark green crystals.
Oxford English Dictionary
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Clinozoisite
It forms a continuous solid solution series with epidote by substitution of iron(III) in the aluminium (m3 site) and is also called aluminium epidote. 2Ca2Al3Si3O12(OH) + NaAl3Si3O10(OH)2 + SiO2 + 6H2O
References
Nesse, William D., "Introduction to Mineralogy," (c)2000 Oxford University Press
Sorosilicates
Epidote
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epidotized
epidotized, ppl. a. (ˈɛpɪdəʊtaɪzd) [f. epidote + -ize + -ed.] Altered metamorphically into epidote. So ˌepidotiˈzation.1888 J. Teall Brit. Petrography 150 The epidotisation of the felspar is an alteration process. 1890 [see chloritization]. 1930 Peach & Horne Geol. Scotl. 79 Beds with abundant pebbl...
Oxford English Dictionary
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Bagrationite
References
Calcium minerals
Lanthanide minerals
Yttrium minerals
Aluminium minerals
Iron(II,III) minerals
Epidote group
Monoclinic minerals
Minerals in
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Seafloor hydrothermal circulation at a rifted margin of ... - ResearchGate
Feb 1, 2023This study presents new field, major and trace element, and oxygen isotope data for the recently discovered epidosites in the ca. 1.0 Ga Miaowan (庙湾) ophiolite located near the northern margin ...
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Greenschist
The rock is derived from basalt, gabbro or similar rocks containing sodium-rich plagioclase feldspar, chlorite, epidote and quartz. Petrology
Greenschist is defined by the presence of the minerals chlorite, epidote, or actinolite, which give the rock its green color.
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