-
Identification Color Virtually all colors,
mostly green Crystal habit Intergrown grainy or fine
fibrous aggregate Cleavage None
Fracture Splintery Tenacity...
- one road next to
another In crystallography,
crystal twinning refers to
intergrown crystal forms that
display a twin
boundary In film,
special effects that...
-
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...
- 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...
- The dull grey-black
color of
tenorite contrasts sharply with the
often intergrown blue chrysocolla. Cuprite,
native copper and Fe–Mn
oxides also
occur in...
-
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...
-
approximate or
flattened spheres to well-defined
discs and
often are
intergrown.
Petrographic and X-ray
diffraction analyses of
specimens of
these objects...
