grossular

also called  grossularite , or  gooseberry garnet (Latin grossularia, “gooseberry”) 

      a calcium aluminum garnet that sometimes resembles the gooseberry fruit. It can be colourless (when pure), white, yellow, brown, red, or green. Massive greenish grossular, though only superficially resembling jade, is sometimes marketed under the name South African, or Transvaal, jade in an attempt to increase its selling price. Nearly all grossular used for faceted gems is orange to reddish brown. The reddish brown material is called cinnamon stone, or hessonite. Grossular typically exhibits internal swirls, which help to distinguish it from spessartine, which is clear. It is ordinarily found in metamorphic rocks. See also garnet.

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Universalium. 2010.

Look at other dictionaries:

  • Grossular — „Stachelbeerfarbiger“ Grossular aus Sibinndi, Nioro du Sahel, Region Kayes, Mali (Größe: 4.9 x 3.4 x 2.9 cm) Chemische Formel Ca3Al2[SiO4]3[1] …   Deutsch Wikipedia

  • Grossular — dodecahedron, .7 cm across, from Coahuila, Mexico General Category Nesosilicate …   Wikipedia

  • Grossular — Gros su*lar, a. [NL. grossularius, from Grossularia a subgenus of Ribes, including the gooseberry, fr. F. groseille. See {Gooseberry}.] Pertaining too, or resembling, a gooseberry; as, grossular garnet. [1913 Webster] …   The Collaborative International Dictionary of English

  • Grossular — Gros su*lar, n. [See {Grossular}, a.] (Min.) A translucent garnet of a pale green color like that of the gooseberry; called also {grossularite}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Grossŭlar — Grossŭlar, Mineral, Varietät des Granates, von stachelbeergrüner Farbe, erscheint krystallisirt, durchscheinend; findet sich am Wiluiflusse in Sibirien u. am Rizoniberg in Tyrol …   Pierer's Universal-Lexikon

  • Grossulār — Grossulār, Mineral, Varietät des Granats …   Meyers Großes Konversations-Lexikon

  • Grossular — Grossular, s. Granat …   Lexikon der gesamten Technik

  • Grossular — Grossulār, s. Granat …   Kleines Konversations-Lexikon

  • Grossular —   [zu neulateinisch grossularia »Stachelbeere« (wegen der Farbe)] der, s/ e, hellgrünes bis bernsteinfarbenes, durch Eisen(III) Beimengungen auch braunes oder rotes Granatmineral mit der chemischen Zusammensetzung Ca3 Al2 [SiO4]3; Vorkommen in… …   Universal-Lexikon

  • grossular — noun Etymology: New Latin Grossularia, genus name of the gooseberry Date: 1819 a variety of garnet that is most commonly green and consists of calcium aluminum silicate …   New Collegiate Dictionary

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