- Manebach twinning
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манебахское двойникование
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
manebach twin — ˈmänəˌbäḵ noun Usage: usually capitalized M Etymology: from Manebach, Thuringia, Germany : a monoclinic twin crystal having the basal pinacoid as the twinning plane and composition face … Useful english dictionary
Orthoclase — General Category Silicate mineral Chemical formula KAlSi3O8 … Wikipedia
Macle (cristallographie) — Pour les articles homonymes, voir Macle. Macle par pénétration de trois cristaux de pyrite Une macle est une association orientée de deux ou plusieurs cristaux identiques, di … Wikipédia en Français
Celsian — is an uncommon feldspar mineral, barium aluminosilicate, BaAl2Si2O8. The mineral occurs in contact metamorphic rocks with significant barium content. Its crystal system is monoclinic, and it is white, yellow, or transparent in appearance. In pure … Wikipedia
Hyalophane — Infobox mineral name = Hyalophane category = Tectosilicate boxwidth = boxbgcolor = imagesize = caption = formula = (K,Ba) [Al(Si,Al)Si2O8] molweight = 302.06 gm color = colorless, yellow, white, red habit = crystalline fine occurs as well formed… … Wikipedia