resinous luster

См. также в других словарях:

• Luster — Lus ter, Lustre Lus tre, n. [F. lustre; cf. It. lustro; both fr. L. lustrare to purify, go about (like the priests at the lustral sacrifice), traverse, survey, illuminate, fr. lustrum a purificatory sacrifice; perh. akin to E. loose. But lustrare …   The Collaborative International Dictionary of English

• Luster ware — Luster Lus ter, Lustre Lus tre, n. [F. lustre; cf. It. lustro; both fr. L. lustrare to purify, go about (like the priests at the lustral sacrifice), traverse, survey, illuminate, fr. lustrum a purificatory sacrifice; perh. akin to E. loose. But… …   The Collaborative International Dictionary of English

• Opal — For other uses, see Opal (disambiguation). Opal An opal bracelet. The stone size is 18 by 15 mm (0.7 by 0.6 in) General Category …   Wikipedia

• 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

• Whitlockite — Infobox mineral name = Whitlockite category = Phosphate Mineral boxwidth = boxbgcolor = imagesize = caption = formula = molweight = 1,071.45 gm color = Colorless, gray white habit = massive to tabular system = Trigonal twinning = cleavage = None… …   Wikipedia

• Microlite — Mi cro*lite, n. [Micro + lite.] (Min.) [1913 Webster] 1. A rare mineral of resinous luster and high specific gravity. It is a tantalate of calcium, and occurs in octahedral crystals usually very minute. [1913 Webster] 2. (Min.) A minute inclosed… …   The Collaborative International Dictionary of English

• Pyrochlore — Pyr o*chlore, n. [Pyro + Gr. ? pale green.] (Min.) A niobate of calcium, cerium, and other bases, occurring usually in octahedrons of a yellowish or brownish color and resinous luster; so called from its becoming grass green on being subjected to …   The Collaborative International Dictionary of English

• realgar — noun Etymology: Middle English, from Medieval Latin, from Catalan, from Arabic rahj al ghār powder of the mine Date: 15th century an orange red mineral consisting of arsenic sulfide and having a resinous luster …   New Collegiate Dictionary

• Tachylite — (also spelled tachylyte) is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. It is a basic type of igneous rock that is decomposable by acids and readily fusible. The color is a… …   Wikipedia

• Hedenbergite — Hedenbergite, CaFeSi206, is the iron rich end member of the pyroxene group having a monoclinic crystal system. The mineral is extremely rarely found as a pure substance, and usually has to be synthesized in a lab. It was named in 1819 after M.A.… …   Wikipedia

• Åkermanite — (Ca2Mg [Si2O7] ) is a melilite mineral of the sorosilicate group, containing calcium, magnesium, silicon, and oxygen. It is a product of contact metamorphism of siliceous limestones and dolostones, and rocks of sanidinite facies. Sanidinite… …   Wikipedia