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单词 predazzite
释义

predazziten.

Brit. /prᵻˈdatsʌɪt/, U.S. /prəˈdætˌsaɪt/, /prəˈdæzˌaɪt/
Origin: From a proper name, combined with an English element; modelled on a German lexical item. Etymons: proper name Predazzo , -ite suffix1.
Etymology: < Predazzo, the name of a town in northern Italy where the rock was first found + -ite suffix1, after German Predazzit ( G. P. A. Petzholdt Beiträge zur Geognosie von Tyrol(1843) 194).
Geology.
A recrystallized limestone composed largely of calcite and brucite.
ΚΠ
1850 J. D. Dana Syst. Mineral. (ed. 3) 213 Predazzite is a bitter spar allied to Gurhofian, from Predazzo in the southern Tyrol, containing in addition 6.98 per cent of water.
1892 Amer. Naturalist 26 948 The dark pencatites differ from the predazzites in containing a large quantity of marcasite, to whose opacity the dark color of the rock is due.
1954 C. E. Tilley et al. Harker's Petrol. (ed. 8) xxii. 261 In this way have been formed the rocks known in the Tirol as ‘predazzite’ and ‘pencatite’, which are granular aggregates of calcite and brucite.
2003 Topographia Mineralogica Hungariae 8 55 The predazzite is basically a brucite- and serpentine-containing marble, but in several places the relics of tiny forsterite, spinel and periclase crystals are also preserved.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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n.1850
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