-
Apatite is a
group of
phosphate minerals,
usually hydroxyapatite,
fluorapatite and chlorapatite, with high
concentrations of OH−, F− and Cl− ion, respectively...
- Lead
apatite is a
generic name for
apatite-structure
materials that
contain lead as the
divalent cation. A Copper-doped lead-
apatite has been proposed...
- which—
compared to pure lead-
apatite (Pb10(PO4)6O): 5 —
approximately one
quarter of Pb(II) ions in
position 2 of the
apatite structure are
replaced by Cu(II)...
- hydroxylapatite) (Hap, HAp, or HA) is a
naturally occurring mineral form of
calcium apatite with the
formula Ca5(PO4)3(OH),
often written Ca10(PO4)6(OH)2 to denote...
-
minerals over a very wide
geological range (typically 0.1 Ma to 2000 Ma).
Apatite, sphene, zircon,
micas and
volcanic gl****
typically contain enough uranium...
- Bone
mineral (also
called inorganic bone phase, bone salt, or bone
apatite) is the
inorganic component of bone tissue. It
gives bones their compressive...
- as an open pit. The
operation was sold to Yara in 2007. The Siilinjärvi
apatite mine is the
biggest open pit in Finland.
Currently the mine
comprises two...
-
scratch the
given material. For example, if some
material is
scratched by
apatite but not by fluorite, its
hardness on the Mohs
scale would be
between 4...
- the
country rock.
Apatite is by far the main
gangue mineral while other gangue minerals are tremolite-actinolite and calcite.
Apatite is at
places evenly...
-
Primary mineralogy is
highly variable, but may
include natrolite, sodalite,
apatite, magnetite, barite, fluorite,
ancylite group minerals, and
other rare minerals...
