spodumene

spodumene
/spoj"oo meen'/, n.
a mineral, lithium aluminum silicate, LiAlSi2O6, occurring in prismatic crystals, transparent varieties being used as gems.
[1795-1805; < F spodumène < G Spodumen < Gk spodoúmenos, prp. of spodoûsthai to be burned to ashes (deriv. of spodós wood ash)]

* * *

also called  Triphane 

      a lithium aluminum silicate mineral (LiAlSi2O6) in the pyroxene family, an important ore of lithium and a source of ceramic materials. It is ordinarily found in lithium-bearing granite pegmatites. When brilliant and glassy, clear spodumene is valued as a semiprecious gem (more by collectors and museums than by the public, because its colour fades when it is exposed to sunlight). Its main varieties are hiddenite (emerald green) and kunzite (pink or lilac). The largest crystal of spodumene found is 14.3 metres (about 47 feet) long and 0.8 metre (about 3 feet) wide from the Etta mine in South Dakota, U.S.

* * *


Universalium. 2010.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • Spodumène — Catégorie IX : silicates[1] Spodumène variété Kunzite Afghanistan 13,5x11,8 cm …   Wikipédia en Français

  • Spodumene — Spodumène Spodumène Catégorie IX : silicates Spodumènes sous divers aspects …   Wikipédia en Français

  • Spodumene — Spod u*mene (sp[o^]d [ u]*m[=e]n; 135), n. [Gr. ?, p. pr. pass. from ? to burn to ashes, from spodo s ashes; cf. F. spodum[ e]ne.] (Min.) A mineral of a white to yellowish, purplish, or emerald green color, occurring in prismatic crystals, often… …   The Collaborative International Dictionary of English

  • spodumène — ● spodumène nom masculin (grec spodos, cendre) Silicate naturel d aluminium et de lithium, de formule LiAlSi2O6, appartenant au groupe des pyroxènes, utilisé en bijouterie …   Encyclopédie Universelle

  • spodumene — [späj′o͞o mēn΄] n. [< Gr spodumenos, prp. of spodousthai, to be burned to ashes < spodos, ashes: from being reduced to an ashlike form before the blowpipe] a variously colored, monoclinic mineral, LiAl(Si2O6), that is an ore of lithium and… …   English World dictionary

  • Spodumene — Kunzite redirects here. For the Sailor Moon character, see Shitennou. Infobox mineral name = Spodumene category = boxwidth = boxbgcolor = caption = An almost colorless kunzite crystal (upper left), a cut pale pink kunzite (upper right) and a… …   Wikipedia

  • spodumene — noun Etymology: probably from French spodumène, from German Spodumen, from Greek spodoumenos, present participle of spodousthai to be burnt to ashes, from spodos ashes Date: 1893 a white to yellowish, purplish, or emerald green monoclinic mineral …   New Collegiate Dictionary

  • spodumene — [ spɒdjʊmi:n] noun a translucent, typically greyish white aluminosilicate mineral which is an important source of lithium. Origin C19: from Fr. spodumène, from Gk spodoumenos, spodousthai burn to ashes …   English new terms dictionary

  • spodumene — spod•u•mene [[t]ˈspɒdʒ ʊˌmin[/t]] n. mir jew a mineral, lithium aluminum silicate, LiAlSi2O6, occurring in prismatic crystals or masses: transparent colored varieties are used as gems • Etymology: 1795–1805; < F spodumène …   From formal English to slang

  • spodumene — spodumenas statusas T sritis chemija apibrėžtis Piroksenų grupės mineralas. formulė LiAl[Si₂O₆] atitikmenys: angl. spodumene; triphane rus. сподумен; трифан …   Chemijos terminų aiškinamasis žodynas

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”