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Braunite is a
silicate mineral containing both di- and tri-valent
manganese with the
chemical formula: Mn2+Mn3+6[O8|SiO4].
Common impurities include iron...
- with beryl, quartz, spessartine, hematite, pseudobrookite, hausmannite,
braunite and
topaz in
pneumatolytic or
hydrothermal veins and
cavities and in metamorphic...
-
metamorphosed sedimentary manganese ore
deposits ****ociated with hyalophane,
braunite and tamaite. It was
first reported for an
occurrence in the
Shiromaru Mine...
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contains 0.01 μg/m3.
Manganese occurs prin****lly as
pyrolusite (MnO2),
braunite (Mn2+Mn3+6)SiO12),
psilomelane (Ba,H2O)2Mn5O10, and to a
lesser extent...
-
manganese deposits.
Typical ****ociated
minerals include hausmannite, galaxite,
braunite, pyrolusite, coronadite,
hematite and magnetite. It is a ferrimagnetic...
-
Botryogen Boulangerite Bournonite Boussingaultite Bowieite Braggite Br****ite
Braunite Brazilianite Breithauptite Brewsterite (series of zeolites) Brezinaite...
-
Pyrolusite occurs ****ociated with manganite, hollandite, hausmannite,
braunite, cryptomelane, chalcophanite, goethite, and
hematite under oxidizing conditions...
- A
specimen of m****ive
braunite with
sparkling microcrystalline kentrolite, from the
Norrbotten working, Långban....
- ****emblage (including
braunite and jacobsite),
while distal areas have a
lower grade ore
consisting predominantly of
braunite and kutnohorite. Vertical...
- Bvr-Cu
Bismite Bis
Braunerite Bun Beaverite-(Zn) Bvr-Zn Bismo****e Bmc
Braunite Bnt
Bechererite Bec Bi****h Bi
Brazilianite Bzl
Beckettite Bek Bi****hinite...
