- The
mineral group tantalite [(Fe, Mn)Ta2O6] is the
primary source of the
chemical element tantalum. It is
chemically similar to columbite, and the two...
- niobium,
occurs in the
mineral groups tantalite,
columbite and
coltan (the
latter is a mix of
columbite and
tantalite,
though not
recognised as a separate...
-
Coltan (short for columbite–
tantalites and
known industrially as
tantalite) is a dull
black metallic ore from
which the
elements niobium and
tantalum are...
- niobite, niobite-
tantalite and
columbate Tantalite, a
mineral group close to
columbite Coltan, a
mixture of
columbite and
tantalite Galaxite, a spinel...
- Columbite, also
called niobite, niobite-
tantalite and
columbate [(Fe, Mn)Nb 2O 6], is a
black mineral group that is an ore of niobium. It has a submetallic...
- Pb-Zn-Ag,
considered to be a cl**** of
reworked SEDEX deposits Phosphorus-
tantalite-vermiculite (Phalaborwa
South Africa) Rare
earth elements –
Mount Weld...
-
Ferrocolumbite (synonym of columbite-(Fe))
Ferrotantalite (synonym of
tantalite-(Fe))
Fluorspar (synonym of fluorite)
Francolite (variety of fluorapatite)...
- Christie's
Marple Michael Rogers Episode: "Endless Night" 2013
Columbite Tantalite Mark
Short film 2014 I Am
Soldier Sergeant/Trooper
Mickey Tomlinson 2014...
- in the region.
Columbite and
tantalite are ores used to
produce the
elements niobium and tantalum.
Columbite and
tantalite are
collectively known as coltan...
- columbite–
tantalite (or coltan, (Fe,Mn)(Ta,Nb)2O6). Columbite–
tantalite minerals (the most
common species being columbite-(Fe) and
tantalite-(Fe), where...