pectoliten.

Brit.

/ˈpɛktəlʌɪt/, U.S.

/ˈpɛktəˌlaɪt/

Forms: 1800s pektolite, 1800s– pectolite.

Origin: A borrowing from German. Etymon: German Pektolith.

Etymology: < German Pektolith (F. von Kobell 1828, in Archiv f. die gesammte Naturlehre 13 385) < ancient Greek πηκτός congealed (see pectic adj.) + German -lith -lite comb. form¹. Compare French pectolite (1862 or earlier).In form pektolite probably after the German.

Mineralogy.

A whitish or greyish mineral of the pyroxenoid group which occurs in igneous rocks in aggregates of needle-like crystals and consists of a basic silicate of calcium and sodium.

ΘΚΠ

the world > the earth > minerals > types of mineral > silicates > inosilicates single chain > [noun] > pyroxenoid > pectolite

pectolite1828

Walkerite1880

manganpectolite1892

1828 Edinb. Jrnl. Sci. 9 367 Pektolite..a mineral which is found on natrolite.

1899 Amer. Jrnl. Sci. 158 275 Experiments relative to the constitution of pectolite.

1957 H. S. Zim & P. R. Shaffer Rocks & Minerals 102 Pectolite is seen in tapering masses of thin needles sometimes several inches long.

1999 I. Kostov & R. I. Kostov Crystal Habits Minerals vi. 193 Pectolite is obtained during the hydrothermal decomposition of scapolite in alkaline medium, 260–280°C temperature and pressure about 1000 atm.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pectolite
释义	pectoliten. Brit. /ˈpɛktəlʌɪt/, U.S. /ˈpɛktəˌlaɪt/ Forms: 1800s pektolite, 1800s– pectolite. Origin: A borrowing from German. Etymon: German Pektolith. Etymology: < German Pektolith (F. von Kobell 1828, in Archiv f. die gesammte Naturlehre 13 385) < ancient Greek πηκτός congealed (see pectic adj.) + German -lith -lite comb. form¹. Compare French pectolite (1862 or earlier).In form pektolite probably after the German. Mineralogy. A whitish or greyish mineral of the pyroxenoid group which occurs in igneous rocks in aggregates of needle-like crystals and consists of a basic silicate of calcium and sodium. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > inosilicates single chain > [noun] > pyroxenoid > pectolite pectolite1828 Walkerite1880 manganpectolite1892 1828 Edinb. Jrnl. Sci. 9 367 Pektolite..a mineral which is found on natrolite. 1899 Amer. Jrnl. Sci. 158 275 Experiments relative to the constitution of pectolite. 1957 H. S. Zim & P. R. Shaffer Rocks & Minerals 102 Pectolite is seen in tapering masses of thin needles sometimes several inches long. 1999 I. Kostov & R. I. Kostov Crystal Habits Minerals vi. 193 Pectolite is obtained during the hydrothermal decomposition of scapolite in alkaline medium, 260–280°C temperature and pressure about 1000 atm. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1828
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