Brookite is the orthorhombic variant of titanium dioxide (TiO2), which occurs in four known natural polymorphic forms (minerals with the same composition...
9 KB (734 words) - 21:15, 28 October 2023
Rarer polymorphs of TiO2 are known, including anatase, akaogiite, and brookite. Rutile has one of the highest refractive indices at visible wavelengths...
13 KB (1,319 words) - 14:31, 11 November 2024
crystal structures of rutile and anatase are tetragonal in symmetry whereas brookite is orthorhombic. The oxygen substructures are all slight distortions of...
65 KB (6,775 words) - 15:57, 15 November 2024
form". Terminology for pseudomorphs is "replacer after original", as in brookite after rutile. The term pseudomorphoses was initially used by Haüy. An substitution...
6 KB (763 words) - 15:43, 19 September 2024
Briartite Bridgmanite Brochantite Brockite Bromargyrite Bromellite Bronzite Brookite Brownleeite Brownmillerite Brucite Brushite Buddingtonite Bukovite Bukovskyite...
42 KB (2,782 words) - 04:37, 12 November 2024
polymorphs (or mineral forms) of titanium dioxide are known to occur naturally: brookite, akaogiite, and rutile, with rutile being the most common and most stable...
11 KB (1,048 words) - 04:34, 29 October 2024
approximately 0.5–1.5%. Common titanium-containing minerals are anatase, brookite, ilmenite, perovskite, rutile, and titanite (sphene). Akaogiite is an extremely...
80 KB (8,810 words) - 15:52, 2 November 2024
Gemstones Notes Ref Kharan District Brookite, anatase, and quartz The image shows striated anatase crystals (in black), brookite blade and quartz crystals covering...
16 KB (1,060 words) - 13:45, 9 June 2024
available in 1921. It is made out of titanium dioxide, from the minerals brookite, anatase, rutile, or ilmenite, currently the major source. Because of its...
77 KB (9,183 words) - 11:45, 25 October 2024
Bismutotantalite Biotite Boleite Boracite Bornite Brazilianite Breithauptite Brookite Brucite Bustamite Bytownite Calcite Manganoan calcite (var.) Caledonite...
13 KB (868 words) - 18:14, 14 November 2024