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单词 pandermite
释义

pandermiten.

Brit. /panˈdəːmʌɪt/, U.S. /ˌpænˈdərˌmaɪt/
Origin: A borrowing from German. Etymon: German Pandermit.
Etymology: < German Pandermit (T. Muck 1877, in Sitzungsber. d. Niederrheinischen Ges. f. Natur- u. Heilkunde 193), from the name of Panderma (Turkish Bandırma ), a town in northern Turkey close to where the mineral was discovered + German -it -ite suffix1.
Mineralogy.
A white mineral consisting of a hydrated borate of calcium, now regarded as identical with priceite.
ΘΚΠ
the world > the earth > minerals > types of mineral > borates > [noun] > calcium borate
hayesine1844
priceite1873
colemanite1884
pandermite1885
inyoite1914
meyerhofferite1914
ginorite1934
tertschite1953
nifontovite1961
nobleite1961
pentahydroborite1962
uralborite1962
1885 Amer. Naturalist 19 299 Priceite (pandermite) Ca3B8O15 + 5aq.
1887 Amer. Jrnl. Sci. 134 284 From these figures it will be seen that the priceite and pandermite are, in composition, identical, the difference being wholly in the physical appearance.., priceite is soft and friable while the pandermite is compact.
1926 Econ. Geogr. 2 96/1 Of these, chromite, emery and pandermite are minerals which are rare except in a few localities.
1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 343 The identity of pandermite with priceite has been established by chemical and optical study.
1998 Sedimentology 45 697 Calcium-borates, mainly pandermite (priceite) and howlite, but also bakerite and colemanite, are intercalated within the Sultancayir Gypsum.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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n.1885
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