Keilhauite
Look at other dictionaries:
Keilhauite — (also known as yttrotitanite ) is a mineral of a brownish black color, related to titanite in form. It consists chiefly of silicon dioxide, titanium dioxide, calcium oxide, and yttrium oxide.It differs from titanite only in that calcium is… … Wikipedia
keilhauite — noun yttrotitanite … Wiktionary
keilhauite — … Useful english dictionary
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
Andradite — single crystal (4.2cm) Diakon, Nioro du Sahel Circle, Kayes Region, Mali General Category Garnet group … Wikipedia
Aenigmatite — General Category Silicate mineral Chemical formula Na2Fe2+5TiSi6O20 Strunz classification 9.DH.40 Cr … Wikipedia
Nenadkevichite — is a rare silicate mineral containing niobium with formula: (Na,Ca)(Nb,Ti)Si2O7·2H2O. It forms brown to yellow to rose colored orthorhombic dipyramidal crystals with a dull to earthy luster. It has a Mohs hardness of 5 and a specific gravity of 2 … Wikipedia
Heavy mineral sands ore deposits — Heavy minerals (dark) in a quartz beach sand (Chennai, India). Heavy mineral sands are a class of ore deposit which is an important source of zirconium, titanium, thorium, tungsten, rare earth elements, the industrial minerals diamond … 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
