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Brookite is the
orthorhombic variant of
titanium dioxide (TiO2),
which occurs in four
known natural polymorphic forms (minerals with the same composition...
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Rarer polymorphs of TiO2 are known,
including anatase, akaogiite, and
brookite.
Rutile has one of the
highest refractive indices at
visible wavelengths...
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Terminology for
pseudomorphs is "replacer
after original", as in
brookite after rutile. The term
pseudomorphoses was
initially used by Haüy. A substitution...
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crystal structures of
rutile and
anatase are
tetragonal in
symmetry whereas brookite is orthorhombic. The
oxygen substructures are all
slight distortions of...
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Briartite Bridgmanite Brochantite Brockite Bromargyrite Bromellite Bronzite Brookite Brownleeite Brownmillerite Brucite Bru****e
Buddingtonite Bukovite Bukovskyite...
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group minerals, quartz, zircon,
certain feldspars, analcime, anatase,
brookite, rutile,
siderite and apatite.
Xenotime is also
known to be diagenetic:...
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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...
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Gemstones Notes Ref
Kharan District Brookite, anatase, and
quartz The
image shows striated anatase crystals (in black),
brookite blade and
quartz crystals covering...
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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...
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approximately 0.5–1.5%.
Common titanium-containing
minerals are anatase,
brookite, ilmenite, perovskite, rutile, and
titanite (sphene).
Akaogiite is an extremely...
