praseoliten.

Brit.

/ˈpreɪzɪəlʌɪt/, U.S.

/ˈpreɪziəˌlaɪt/

Forms: 1800s– praseolite, 1900s– prasiolite.

Origin: A borrowing from Greek, combined with an English element; modelled on a Swedish lexical item. Etymons: Greek πράσιος , -lite comb. form¹.

Etymology: < ancient Greek πράσιος leek-green (see prase n.) + -lite comb. form¹ (perhaps as an alteration of iolite n.), after Swedish Praseolit (A. Erdmann 1840, in Kungl. Svenska Vetenskapsakad. handlingar(1842) 181), so called on account of its leek-green colour. Compare prasolite n.

Mineralogy. Now rare.

A green mineral which is a form of mica pseudomorphous after cordierite (cf. iolite n.). Also: a green variety of amethyst, usually synthetic (cf. prase n.).

ΚΠ

1844 J. D. Dana Syst. Mineral. (ed. 2) 530 Praseolite. Imperfectly crystallized..in prisms... Cleavage in one direction... Lustre weak. Color light or dark green.

1864–72 H. Watts Dict. Chem. II. 320 Hydrous Dichroite..Praseolite from Bräkke in Norway.

1912 A. H. Phillips Mineralogy ii. x. 440 Iolite..decomposes easily, forming by hydration a series of compounds, as fahlunite, praseolite, gigantolite, and with the addition of iron and alkalies, pinite or mica.

1989 Jrnl. Gemmol. 21 371/2 Upon heat treatment, brown samples of iron-containing synthetic quartz were converted to green prasiolite.

1995 Green Amethyst? in rec.crafts.jewelry (Usenet newsgroup) 17 Apr. Green amethyst, or sometimes, praseolite or vermarine, is a rare form of quartz.

2000 Construction & Building Materials 14 369/2 Amethyst, chrysoprase, jasper, chert, heliotrope, agate, prasiolite, cornaline, etc. are present [in an inlaid marble table] from different ore deposits.

This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).

单词	praseolite
释义	praseoliten. Brit. /ˈpreɪzɪəlʌɪt/, U.S. /ˈpreɪziəˌlaɪt/ Forms: 1800s– praseolite, 1900s– prasiolite. Origin: A borrowing from Greek, combined with an English element; modelled on a Swedish lexical item. Etymons: Greek πράσιος , -lite comb. form¹. Etymology: < ancient Greek πράσιος leek-green (see prase n.) + -lite comb. form¹ (perhaps as an alteration of iolite n.), after Swedish Praseolit (A. Erdmann 1840, in Kungl. Svenska Vetenskapsakad. handlingar(1842) 181), so called on account of its leek-green colour. Compare prasolite n. Mineralogy. Now rare. A green mineral which is a form of mica pseudomorphous after cordierite (cf. iolite n.). Also: a green variety of amethyst, usually synthetic (cf. prase n.). ΚΠ 1844 J. D. Dana Syst. Mineral. (ed. 2) 530 Praseolite. Imperfectly crystallized..in prisms... Cleavage in one direction... Lustre weak. Color light or dark green. 1864–72 H. Watts Dict. Chem. II. 320 Hydrous Dichroite..Praseolite from Bräkke in Norway. 1912 A. H. Phillips Mineralogy ii. x. 440 Iolite..decomposes easily, forming by hydration a series of compounds, as fahlunite, praseolite, gigantolite, and with the addition of iron and alkalies, pinite or mica. 1989 Jrnl. Gemmol. 21 371/2 Upon heat treatment, brown samples of iron-containing synthetic quartz were converted to green prasiolite. 1995 Green Amethyst? in rec.crafts.jewelry (Usenet newsgroup) 17 Apr. Green amethyst, or sometimes, praseolite or vermarine, is a rare form of quartz. 2000 Construction & Building Materials 14 369/2 Amethyst, chrysoprase, jasper, chert, heliotrope, agate, prasiolite, cornaline, etc. are present [in an inlaid marble table] from different ore deposits. This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022). < n.1844
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