aenigmatite

aenigmatite
An inosilicate mineral of sodium, iron, and titanium, forming brown to black triclinic lamellar crystals.

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  • Aenigmatite — General Category Silicate mineral Chemical formula Na2Fe2+5TiSi6O20 Strunz classification 9.DH.40 Cr …   Wikipedia

  • aenigmatite — variant of enigmatite …   Useful english dictionary

  • Aenigmatit — Chemische Formel Na2(Fe2+4Ti)Fe2+[O2|Si6O18] [1] Mineralklasse Silikate und Germanate Ketten und Bandsilikate 9.DH.40 (8. Auflage: VIII/F.14 20) (nach Strunz) 69.02.01a.01 (nach Dana) Kristallsystem …   Deutsch Wikipedia

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  • Энигматит — Формула Na2Fe2+5Ti4+O2[Si6O18] Сингония триклинная Цвет темно коричневый до густо черного Цвет черты темно бурая с красноватым оттенком Блеск матовый Твёрдость 5,5 6 Излом неровный Плотность 3,73 3,85 г/см³ …   Википедия

  • Mineral — For other uses, see Mineral (disambiguation). An assortment of minerals. A mineral is a naturally occurring …   Wikipedia

  • Rutile — Wine red rutile crystals from Binn Valley, Switzerland (Size: 2.0 x 1.6 x 0.8 cm) General Category Oxide minerals …   Wikipedia

  • Ilmenite — from Miask, Ilmen Mts, Chelyabinsk Oblast , Southern Urals, Urals Region, Russia. 4.5 x 4.3 x 1.5 cm General Category Oxide mineral …   Wikipedia

  • List of minerals — This is a List of minerals for which there are Wikipedia articles. Mineral variety names and mineraloids are to be listed after the valid minerals for each letter.For a complete listing (about 4,000) of all mineral names: List of minerals… …   Wikipedia

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