- glassy lustre
- 玻璃光泽
English-Chinese geology dictionary (英汉地质大词典). 2013.
glassy lustre
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Lustre (mineralogy) — Lustre (or luster) is a description of the way light interacts with the surface of a crystal, rock, or mineral. The word lustre traces its origins back to the Latin word lux, meaning light , and generally implies radiance, gloss, or brilliance. A … Wikipedia
obsidian — /euhb sid ee euhn/, n. a volcanic glass similar in composition to granite, usually dark but transparent in thin pieces, and having a good conchoidal fracture. [1350 1400; < L Obsidianus, printer s error for Obsianus pertaining to Obsius, the… … Universalium
jadeite — /jay duyt/, n. a mineral, essentially sodium aluminum silicate, NaAlSi2O6, usually fibrous, occurring in compact masses, whitish to dark green: a form of jade. [1860 65; JADE1 + ITE1] * * * Gem quality silicate mineral in the pyroxene family that … Universalium
riebeckite — /ree be kuyt /, n. an amphibolic mineral, silicate of sodium and iron, occurring usually in feldspathoid rocks. [1885 90; named after Emil Riebeck (d. 1885), German explorer; see ITE1] * * * ▪ mineral a sodium iron silicate mineral… … Universalium
johannsenite — ▪ mineral Pyroxenes silicate mineral in the pyroxene family. It has a molecular formula of Ca(Mn,Fe)Si2O6. A calcium manganese iron silicate mineral, johannsenite is produced either by metamorphic processes in altered limestones or is… … Universalium
pitchstone — /pich stohn /, n. a glassy volcanic rock having a resinous luster and resembling hardened pitch. [1775 85; trans. of G Pechstein. See PITCH2, STONE] * * * ▪ natural glass a volcanic glass with a conchoidal fracture (like glass), a resinous… … Universalium
industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… … Universalium
pottery — /pot euh ree/, n., pl. potteries. 1. ceramic ware, esp. earthenware and stoneware. 2. the art or business of a potter; ceramics. 3. a place where earthen pots or vessels are made. [1475 85; POTTER1 + Y3] * * * I One of the oldest and most… … Universalium
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
Glass — This article is about the material. For other uses, see Glass (disambiguation). Moldavite, a natural glass formed by meteorite impact, from Besednice, Bohemia … Wikipedia
Silicate minerals — ▪ Table Silicate minerals name colour lustre Mohs hardness specific gravity Tectosilicates (three dimensional networks) feldspar (for other examples, see feldspar) orthoclase flesh red, white to pale yellow, red, green vitreous 6–6½ 2.6… … Universalium
