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Mineral
Grunerite is a mineral of the amphibole group of minerals with formula Fe7Si8O22(OH)2. It is the iron endmember of the grunerite-cummingtonite series.
Grunerite
Group of inosilicate minerals
anthophyllite, riebeckite, the cummingtonite/grunerite series, and the actinolite/tremolite series. The cummingtonite/grunerite series is often termed amosite or
Amphibole
Silicate mineral
cummingtonite-grunerite solid solution series which ranges from Mg 7Si 8O 22(OH) 2 for magnesiocummingtonite to the iron rich grunerite endmember Fe 7Si
Cummingtonite
(variety of quartz) Ammolite (organic; also a gemstone) Amosite (asbestiform grunerite) Antozonite (variety of fluorite) Anyolite (metamorphic rock - zoisite
List_of_minerals
Type of crystal habit
known as crocidolite or "blue asbestos", and amosite, a cummingtonite-grunerite solid solution series. Another Zeolite that has come to light recently
Asbestiform
Metamorphic rock type
dolomite and siderite also readily yield amphibolite (tremolite-schist, grunerite-schist, and others) especially where there has been a certain amount of
Amphibolite
Sodium-rich member of the amphibole group of silicate minerals
rocks; with tremolite, ferro-actinolite in metamorphic rocks; and with grunerite, magnetite, hematite, stilpnomelane, ankerite, siderite, calcite, chalcedonic
Riebeckite
Complex inosilicate series of minerals
temperatures, and, as a result, hornblende often contains exsolution lamellae of grunerite. Hornblende is a common constituent of many igneous and metamorphic rocks
Hornblende
Carcinogenic fibrous silicate mineral
asbestos, is a trade name for the amphiboles belonging to the cummingtonite-grunerite solid solution series, commonly from South Africa, named as a partial
Asbestos
Defunct gold mine in Lead, South Dakota, USA, used for neutrino experiments
greenschist facies of siderite-phyllite, and lower amphibolite facies of grunerite schists. The iron may have been deposited by volcanic exhalation, perhaps
Homestake_Mine_(South_Dakota)
Variety of iron-bearing sedimentary rock
tailings contained 40% of the amphibole group mineral series cummingtonite-grunerite, which may form asbestiform particles. A small fraction of the fine-grained
Taconite
Rock-forming minerals with predominantly silicate anions
Magnesiocummingtonite - Mg7Si8O22(OH)2 Cummingtonite – Fe2Mg5Si8O22(OH)2 Grunerite – Fe7Si8O22(OH)2 Tremolite series Tremolite – Ca2Mg5Si8O22(OH)2 Actinolite
Silicate_mineral
Crystalline chemical element or compound formed by geologic processes
asbestosis; amphibole asbestos (anthophyllite, tremolite, actinolite, grunerite, and riebeckite) are considered more dangerous than chrysotile serpentine
Mineral
Variety and Endmember of Cummingtonite
Magnesiocummingtonite is the magnesium rich endmember of the cummingtonite-grunerite series of the amphibole group of minerals, with the following composition:
Magnesiocummingtonite
Ore rich in iron or the element Fe
carbonates (siderite or ankerite) or silicates (minnesotaite, greenalite, or grunerite), but in those mined as iron ores, oxides (magnetite or hematite) are
Iron_ore
III) tetraoxide 1309–38–2 Fe3P iron(tri) phosphide 12023–53–9 Fe4(P2O7)3 iron(III) pyrophosphate Fe7Si8O24H2 amosite brown asbestos grunerite 12172–73–5
Glossary_of_chemical_formulae
Waldenburg Diplomatic relations are established by the United States Grunerite is discovered and named after Emmanuel-Louis Gruner, the Swiss-French
1853_in_Switzerland
Geologic sequence in Quebec, Canada
the belt. The formation is composed mainly of quartz, magnetite, and grunerite. The history of alteration and metamorphism in the Nuvvuagittuq Greenstone
Nuvvuagittuq_Greenstone_Belt
American environmental court case
not only polluted Lake Superior but that they contained cummingtonite-grunerite. This substance is found in asbestos, a known carcinogen. On February
United States v. Reserve Mining Company
United_States_v._Reserve_Mining_Company
Galeaclolusite Gcl Gelosaite Gel Gjerdingenite-Mn Gje-Mn Goudeyite Gdy Grunerite Gru Galeite Gle Geminite Gem Gjerdingenite-Na Gje-Na Gowerite Gow Gruzdevite
List_of_mineral_symbols
Iron ore region in Michigan and Wisconsin
amphibole fibers from the blasting, crushing, transport, and processing of grunerite rock (containing asbestiform minerals) documented to be present in the
Gogebic_Range
Talc Chlorite, generally magnesian bluish-green Tremolite-cummingtonite-grunerite amphiboles in greenschist facies rocks Anthophyllite-cummingtonite amphibole
Talc_carbonate
(chalcostibite: IMA2015-038) 2.0 [354] [no] [no] (IUPAC: copper bismuth diselenide) Grunerite [Mg-Fe-Mn-amphibole: IMA2012 s.p., IMA1997 s.p., 1853] 9.DE.05 [355] [356]
List of minerals recognized by the International Mineralogical Association (G)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(G)
geologist Shulamit Gross (1923–2012) Grothite (titanite var., 9.AG.15) Grunerite: Fe7Si8O22(OH)2 – Swiss-French chemist Emmanuel-Louis Gruner (1809–1883)
List of minerals named after people
List_of_minerals_named_after_people
Nickel mines in Western Australia
felsic sequence; the ultramafic units of komatiite affinity, "overlain" by grunerite-magnetite-quartz-amphibole banded iron formation of the Honman Formation
Emily Ann and Maggie Hays nickel mines
Emily_Ann_and_Maggie_Hays_nickel_mines
List of IMA recognized minerals and groupings
cummingtonite ☐Mg7Si8O22(OH)2 (1824, IMA 1997 s.p. Rd, IMA 2012 s.p. Rd), grunerite ☐(Fe2+)7Si8O22(OH)2 (1853, IMA 1997 s.p. Rd, IMA 2012 s.p. Rd) w(OH, F
Classification of silicate minerals
Classification_of_silicate_minerals
metagreywacke, metatuff, chlorite schist, tremolite-actinolite schist and rare grunerite schist. The unit is exposed on both limbs of the South Pass synclinorium
South_Pass_greenstone_belt
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