单词 | kalsilite |
释义 | kalsiliten. Mineralogy. A rare silicate of potassium and aluminium, KAlSiO4, that is chemically and physically similar to nepheline and occurs in some potassium-rich lavas. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > feldspathoid > kalsilite kalsilite1942 1942 A. Holmes in Mineral. Mag. 26 198 Mr. Bannister's results, supplemented by micro-chemical analyses made by Dr. M. H. Hey, are recorded in the communication which follows this paper. The new data indicate that the mineral is..a hitherto unrecognized polymorph of KAlSiO4 for which the appropriately mnemonic name kalsilite is proposed. 1942 Bannister & Hey in Mineral Mag. XXVI. 221 It is proposed to name the new mineral kalsilite after its composition KAlSiO4. 1967 Nature 24 June 1322/1 Kalsilite (KAlSiO4) occurs as a major constituent of a large sedimentary xenolith metamorphosed to the sanidinite facies within the gabbro of Brome Mountain, Quebec. Kalsilite is extremely rare and has previously been found only as an igneous mineral in three volcanic areas. 1972 M. H. Battey Mineral. for Students ii. 292/2 The ratio of K to Na in nepheline varies and there is a series towards kalsilite KAlSiO4 which is a rare mineral found in certain potassic lavas on the Uganda-Congo border. This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2019). < n.1942 |
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