-
Amphiboles can be green, black, colorless, white, yellow, blue, or brown. The
International Mineralogical ****ociation
currently classifies amphiboles...
-
French for "pure asbestos") Gasket,
containing nearly unbound asbestos Amphiboles including amosite (brown asbestos) and
crocidolite (blue asbestos) were...
- of magnesium-rich
amphibole, the
latter being metastable. ****mingtonite
shares few
compositional similarities with
alkali amphiboles such as arfvedsonite...
- minerals, such as
olivine and pyroxene. However,
micas and aluminium-rich
amphiboles were excluded,
while some
calcium minerals containing little iron or magnesium...
- + Na2O) are
described as peralkaline, and they
contain unusual sodium amphiboles such as riebeckite.
Granites in
which there is an
excess of
aluminum beyond...
-
appearance from the
parallel intergrowth of
quartz crystals and
altered amphibole fibres that have
mostly turned into limonite.
Tiger iron is an altered...
- The
major examples of
these are quartz, the feldspars, the micas, the
amphiboles, the pyroxenes, the olivines, and calcite;
except for the last one, all...
- of
hornblende amphibole is
called a hornblendite,
which is
usually a
crystal ****ulate rock.
Igneous rocks with
greater than 90%
amphiboles,
which have a...
-
Amphibole Peak (84°44′S 173°26′W / 84.733°S 173.433°W / -84.733; -173.433) is the
highest peak in the
Gabbro Hills, with an
elevation of 1,660 metres...
- and Gem. 30 (6): 58–59 – via academia.edu. Leake, B.E. "Nomenclature of
amphiboles" (PDF).
American Mineralogist. 63 (11–12): 1023–1052.
Retrieved 5 December...
