-
Amphiboles can be green, black, colorless, white, yellow, blue, or brown. The
International Mineralogical ****ociation
currently classifies amphiboles...
-
smoking from Belgium, with
inscription "Real
asbestos best quality".
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...
-
Riebeckite is a sodium-rich
member of the
amphibole group of
silicate minerals,
chemical formula Na2(Fe2+3Fe3+2)Si8O22(OH)2. It
forms a
solid solution...
- 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...
- + Na2O) are
described as peralkaline, and they
contain unusual sodium amphiboles such as riebeckite.
Granites in
which there is an
excess of
aluminum beyond...
- of
hornblende amphibole is
called a hornblendite,
which is
usually a
crystal ****ulate rock.
Igneous rocks with
greater than 90%
amphiboles,
which have a...
-
appearance from the
parallel intergrowth of
quartz crystals and
altered amphibole fibres that have
mostly turned into limonite.
Tiger iron is an altered...
-
types of
malignant mesothelioma can be
induced by asbestos, with the
amphiboles showing greater carcinogenic potency than chrysotile) Lemen,
Richard A...
