| 单词 | satin spar |
| 释义 | > as lemmassatin spar satin spar n. (originally) a fibrous variety of calcite with a satin-like lustre; (in later use more commonly) a translucent, fibrous variety of gypsum with a satin-like lustre (cf. satin gypsum n.). ΘΚΠ society > occupation and work > materials > raw material > mineral material > [noun] > gypsum spar-stonec1000 gypsum1646 parget1657 satin spar1802 satin stone1803 satin gypsum1807 1802 A. Aikin in Philos. Mag. 12 364 The satin spar..is a mineral as yet peculiar to the neighbourhood of Alston Moor, in Cumberland. 1870 Proc. Royal Irish Acad. 1866–9 10 325 Fibrous Gypsum, or Satin Spar, occurs in the valley of the Forth, near Belfast. 1922 T. M. Lowry Inorg. Chem. xxxiii. 635 When the gypsum forms well-defined crystals it is known as selenite.., and when it is found in fibrous needles it is called satin spar. 1966 R. Webster Pract. Gemmol. (ed. 4) xxi. 198 Ornamental minerals... Satin Spar may be either a fibrous variety of Gypsum, or a similarly fibrous Calcite (marble). 2010 M. Hodges Rockhounding Alaska xxv. 90 It is possible to find several varieties of gypsum here including selenite, satin spar, and alabaster. < as lemmas |
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