- tetrahedra.
Pyroxenes that
crystallize in the
monoclinic system are
known as
clinopyroxenes and
those that
crystallize in the
orthorhombic system are
known as orthopyroxenes...
-
Clinopyroxene thermobarometry is a
scientific method that uses the
mineral clinopyroxene to
determine the
temperature and
pressure of the
magma when the...
-
equal amounts of
clinopyroxene and orthopyroxene) or
olivine gabbro (for a
gabbro containing significant olivine, but
almost no
clinopyroxene or hornblende)...
-
Aegirine is a
member of the
clinopyroxene group of
inosilicate minerals. It is the
sodium endmember of the aegirine–augite series. It has the chemical...
-
mantle from the
precipitation and
sinking of the
minerals olivine,
clinopyroxene, and orthopyroxene;
after about three-quarters of the
magma ocean had...
-
Omphacite is a
member of the
clinopyroxene group of
silicate minerals with formula: (Ca, Na)(Mg, Fe2+, Al)Si2O6. It is a
variably deep to pale
green or...
-
clinopyroxenes (with a
monoclinic crystal structure). This
distinction is
important in the
classification of
pyroxene peridotites since clinopyroxene...
- or
aphanitic igneous rock made up
almost entirely of
nepheline and
clinopyroxene (variety augite). If
olivine is present, the rock may be classified...
-
Pigeonite is a
mineral in the
clinopyroxene subgroup of the
pyroxene group. It has a
general formula of (Ca,Mg,Fe)(Mg,Fe)Si2O6. The
calcium cation fraction...
-
Biotite is
generally of low
content and the main
mafic minerals are
clinopyroxene (±) and
amphibole (±). The
macroscopic colour is grey,
being little...
