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单词 pyrosmalite
释义

> as lemmas

pyrosmalite
pyrosmalite n.
Brit. /pʌɪˈrɒzməlʌɪt/
,
U.S. /paɪˈrɑzməˌlaɪt/
[ < pyro- comb. form + ancient Greek (Attic) ὀσμή smell (see osmo- comb. form1) + -ite suffix1, after German Pyrosmalith ( D. L. G. Karsten Mineralogische Tabellen (ed. 2, 1808) 103/1), alteration, after ancient Greek (Attic) ὀσμή smell, of Pirodmalit (J. F. L. Hausmann 1808, in K. E. von Moll Jahrbücher der Berg- u. Hüttenkunde: Efemeriden 4 390) < piro- pyro- comb. form + ancient Greek ὀδμαλέος strong-smelling, stinking ( < (non-Attic) ὀδμή smell (see odmyl n.) + -αλέος , suffix forming adjectives) + German -it -ite suffix1] Mineralogy a silicate mineral containing varying amounts of ferrous iron and manganese, occurring as dark green or brown crystals which give off a strong odour of chlorine when heated.Pyrosmalite is a hydroxide, chloride, and silicate of iron and manganese, (Fe,Mn)8Si6O15(OH,Cl)10. Crystal system: hexagonal.
ΚΠ
1816 R. Jameson Syst. Mineral. (ed. 2) III. 311 Pyrosmalite or native Muriate of Iron.
1852 C. U. Shepard Treat. Mineral. (ed. 3) 160 Pyrosmalite..heated in a tube yields water.
1957 Mineral. Mag. 31 371 Pyrosmalite is a widespread, though very limited, constituent of the Broken Hill lode, and is formed by the hydration and chlorination of the manganese–iron silicates.
1993 Canad. Mineralogist 31 695 Textural characteristics and element partitioning indicate that pyrosmalite crystallized during both regional metamorphism and late-stage hydrothermal activity.
extracted from pyro-comb. form
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