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1 dravite tourmaline
Англо-русский словарь нормативно-технической терминологии > dravite tourmaline
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2 dravite tourmaline
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3 dravite tourmaline
Геология: дравитовый турмалин -
4 tourmaline
турмалин, NaR3Al6[(OH)1+3|(BO3)3|Si6O18]. Если R = Fe2+ — шерл; R = Mg — дравит; R = (Li, Al) — эльбаит; R = Mn — тсилаизит; увит — при замещениях NaAl на CaMg.
black tourmaline чёрный турмалин
dravite tourmaline дравитовый турмалин
ragged tourmaline корродированный турмалин
red tourmaline красный турмалин
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См. также в других словарях:
Tourmaline — Schorl Tourmaline General Category Cyclosilicate Chemical formula (Ca,K,Na,[ … Wikipedia
Tourmaline — Catégorie IX : silicates[1] Tourmaline Brésil Général … Wikipédia en Français
TOURMALINE — Cyclosilicate cristallisant dans le système rhomboédrique. Du mot cinghalais touramali , la tourmaline se présente sous forme de cristaux prismatiques allongés parallèlement à l’axe ternaire. Les plus courants sont de petite taille, mais ils… … Encyclopédie Universelle
tourmaline — tourmalinic /toor meuh lin ik/, adj. /toor meuh lin, leen /, n. any of a group of silicate minerals of complex composition, containing boron, aluminum, etc., usually black but having various colored, transparent varieties used as gems. Also,… … Universalium
dravite — /drah vuyt/, n. a brown variety of magnesium tourmaline. [ < G Dravit. See DRAVA, ITE1] * * * a brown, magnesium rich variety of tourmaline. See tourmaline. * * * … Universalium
dravite — ˈdräˌvīt noun ( s) Etymology: German dravit, from the Drave or Drava river, Austria and Yugoslavia, its locality + German it ite : a magnesium containing tourmaline that is often brown in color * * * /drah vuyt/, n. a brown variety of magnesium… … Useful english dictionary
tourmaline — noun a) A complex black or dark coloured borosilicate mineral. b) A transparent gemstone cut from it. See Also: dravite, indigolite, luxulyanite, Mohrenkopf, rubellite, schorl, verdelite … Wiktionary
дравит — — [Англо русский геммологический словарь. Красноярск, КрасБерри. 2007.] Тематики геммология и ювелирное производство EN dravite tourmaline … Справочник технического переводчика
Elbaïte — Catégorie IX : silicates[1] Elbaïte « melon d eau » G … Wikipédia en Français
Important gemstones — ▪ Table Important gemstones mineral gem name colour Mohs hardness* specific gravity* beryl aquamarine sky blue to greenish blue 7½–8 2.68–2.71 emerald green 2.68–2.74 goshenite colourless; greenish yellow, yellow green, brownish same as… … Universalium
Achroit — Turmalingruppe verschiedene Turmalin Minerale aus Madagaskar Chemische Formel XY3Z6[(BO3)3T6O18(OH,O)3(OH,F,O)] X=(Ca,Na,K,[]), Y=(Mg,Li,Al,Mn,Fe2+,Fe3+,V,Cr,Ti,Cu,[]), Z=(Al,Mg,Cr,V,Fe3+,Ti), T=(Si,Al,B,Be) … Deutsch Wikipedia