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单词 petalite
释义

petaliten.

Brit. /ˈpɛtəlʌɪt/, /ˈpɛtl̩ʌɪt/, U.S. /ˈpɛdlˌaɪt/
Origin: A borrowing from Greek, combined with an English element; modelled on a German lexical item. Etymons: Greek πέταλον , -ite suffix1.
Etymology: < ancient Greek πέταλον leaf (see petal n.) + -ite suffix1, after German Petalit (B. J. d'Andrada 1800, in Allgemeines Jrnl. der Chem. 4 36).
Mineralogy.
A rare lithium-containing mineral which occurs as greyish to black metallic masses with a leaflike cleavage and is used in some ceramics.Petalite is an aluminosilicate of lithium, LiAlSi4O10. Crystal system: monoclinic.
ΘΚΠ
the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > aluminium and one other
petalite1808
sapphirine1823
triclasite1835
neolite1854
maconite1873
melanosiderite1875
sapphirite1883
facellite1891
ganophyllite1892
sursassite1928
1808 T. Allan Alphabet. List Minerals 51 Petalite..a Swedish mineral named by Dandrada.
1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) xii. 408 Minerals which are destitute of water..Petalite.
1923 Nature 21 July 117/2 The well-known aplite from Meldon in Devonshire develops in certain parts of the intrusion a soda-lithia phase rich in the rare lithium-aluminium silicate, petalite.
1983 K. Clark Potter's Man. iii. 90 Petalite..is the most commonly used of the alkaline lithia compounds..used..for domestic and flame-proof ware because of its low expansion.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1808
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