-
Identification Color Virtually all colors,
mostly green Crystal habit Intergrown grainy or fine
fibrous aggregate Cleavage None
Fracture Splintery Tenacity...
- Rioja,
Spain Pyrite from the
Sweet Home Mine, with
golden striated cubes intergrown with
minor tetrahedrite, on a bed of
transparent quartz needles Radiating...
-
azurite on a
field of
malachite Goosecr****ite with heulandite-Ca on
quartz Intergrown botryoids of blue-green
rosasite inside the
curve of a
limonite vug Example...
- twin right-handed and left-handed
quartz crystals), distorted, or so
intergrown with
adjacent crystals of
quartz or
other minerals as to only show part...
-
noticeably attracted to a magnet.
Natural deposits of
ilmenite usually contain intergrown or
exsolved magnetite that also
contribute to its ferromagnetism. Ilmenite...
- green, and
brown to black, and are
often splotchy or veined. Many are
intergrown with
other minerals, such as
calcite and dolomite. The
basic structural...
-
Antimonite crystals (longest crystal: 7 cm)
intergrown with
calcite (length: 3 cm) from
Xikuangshan Mine...
-
Anyolite is a
metamorphic rock
composed of
intergrown green zoisite, black/dark
green pargasite and ruby. It has been
found in the
Arusha Region of Tanzania...
-
typically forms as ortho****ulate
layered lenses in
peridotite rocks, at
times intergrown with
other oxides such as
magnetite and ilmenite, and
silicates such as...
- environment, it is
intimately intergrown with trébeurdenite, to give
varying overall ratios of Fe2+:Fe3+. The
existence of two
intergrown fixed-composition phases...
