-
kimberlites in ****ociation with olivine, enstatite,
chrome diopside,
chromian pyrope,
chromian spinel, ilmenite, perovskite, zircon, diamond, omphacite, rutile...
- Africa, Russia, Brazil, and a wide
variety of
other locations. In the US,
chromian diopside localities are
described in the
serpentinite belt in northern...
- to
greenish black, may be raspberry-red
under incandescent light when
chromian; colorless, pale
shades of yellow, green, or red in
transmitted light Crystal...
-
Field of view ~1.6 cm across.
Purplish red =
pyrope garnet.
Bright green =
chromian diopside. Dark greenish-black = orthopyroxene. Olive-green = olivine....
-
Chromian jade
found in
western Kachin State....
-
Chrome chalcedony is a
green variety of the
mineral chalcedony,
colored by
small quantities of chromium. Its name is
derived from Mutorashanga, a small...
- PGE
trace content.
Geochemically anomalous traces occur predominantly in
chromian spinels and sulfides.
Mafic and
ultramafic igneous rocks host practically...
- serpentine- or
amphibole minerals)
Auerlite (variety of thorite)
Avalite (
chromian variety of illite)
Aventurine (variety of quartz)
Babefphite Babingtonite...
-
megacrystic (10–200 mm or 0.39–7.87 in)
phenocrysts of olivine, pyrope,
chromian diopside,
magnesian ilmenite, and phlogopite, in a fine- to medium-grained...
- is
composed of
forsteritic olivine (Fo90 and upwards),
calcic and
often chromian pyroxene,
anorthite (An85 and upwards) and chromite. A
considerable po****tion...
