-
Grunerite is a
mineral of the
amphibole group of
minerals with
formula Fe7Si8O22(OH)2. It is the iron
endmember of the
grunerite-****mingtonite series....
- ****mingtonite-
grunerite solid solution series which ranges from Mg 7Si 8O 22(OH) 2 for magnesio****mingtonite to the iron rich
grunerite endmember Fe 7Si...
- anthophyllite, riebeckite, the ****mingtonite/
grunerite series, and the actinolite/tremolite series. The ****mingtonite/
grunerite series is
often termed amosite or...
- (variety of quartz)
Ammolite (organic; also a gemstone)
Amosite (asbestiform
grunerite)
Antozonite (variety of fluorite)
Anyolite (metamorphic rock - zoisite...
- rocks; with tremolite, ferro-actinolite in
metamorphic rocks; and with
grunerite, magnetite, hematite, stilpnomelane, ankerite, siderite, calcite, chalcedonic...
-
dolomite and
siderite also
readily yield amphibolite (tremolite-schist,
grunerite-schist, and others)
especially where there has been a
certain amount of...
- temperatures, and, as a result,
hornblende often contains exsolution lamellae of
grunerite.
Hornblende is a
common constituent of many
igneous and
metamorphic rocks...
- Fe)7Si8O22(OH)2 ****mingtonite
series ****mingtonite – Fe2Mg5Si8O22(OH)2
Grunerite – Fe7Si8O22(OH)2
Tremolite series Tremolite – Ca2Mg5Si8O22(OH)2 Actinolite...
- as
crocidolite or "blue asbestos", and
brown asbestos, a ****mingtonite-
grunerite solid solution series. The
United States Environmental Protection Agency...
-
greenschist facies of siderite-phyllite, and
lower amphibolite facies of
grunerite schists.: J15 The iron may have been
deposited by
volcanic exhalation...
