-
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...
-
metamorphosed sedimentary manganese ore
deposits ****ociated with hyalophane,
braunite and tamaite. It was
first reported for an
occurrence in the
Shiromaru Mine...
- 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...
-
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...
-
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....
-
Botryogen Boulangerite Bournonite Boussingaultite Bowieite Braggite Br****ite
Braunite Brazilianite Breithauptite Brewsterite (series of zeolites) Brezinaite...
- with calcite, barite, and siderite.
Often ****ociated with pyrolusite,
braunite,
hausmannite and goethite.
Manganite occurs in
specimens exhibiting good...
- with beryl, quartz, spessartine, hematite, pseudobrookite, hausmannite,
braunite and
topaz in
pneumatolytic or
hydrothermal veins and
cavities and in metamorphic...
-
oxidized manganese zones like
laterites and skarns;
manganite (MnO(OH)) and
braunite (3Mn2O3 MnSiO3) with
pyrolusite Mercury Hg
Scientific instruments, electrical...
