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....
3 KB (185 words) - 18:23, 22 July 2024
cummingtonite-grunerite solid solution series which ranges from Mg 7Si 8O 22(OH) 2 for magnesiocummingtonite to the iron rich grunerite endmember Fe 7Si...
8 KB (581 words) - 12:13, 14 February 2024
anthophyllite, riebeckite, the cummingtonite/grunerite series, and the actinolite/tremolite series. The cummingtonite/grunerite series is often termed amosite or...
15 KB (1,556 words) - 23:57, 4 March 2024
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...
183 KB (107 words) - 22:11, 6 September 2024
rocks; with tremolite, ferro-actinolite in metamorphic rocks; and with grunerite, magnetite, hematite, stilpnomelane, ankerite, siderite, calcite, chalcedonic...
7 KB (557 words) - 07:23, 9 July 2024
(variety of quartz) Ammolite (organic; also a gemstone) Amosite (asbestiform grunerite) Antozonite (variety of fluorite) Anyolite (metamorphic rock - zoisite...
42 KB (2,782 words) - 18:28, 20 October 2024
dolomite and siderite also readily yield amphibolite (tremolite-schist, grunerite-schist, and others) especially where there has been a certain amount of...
9 KB (1,012 words) - 14:30, 9 January 2024
Fe)7Si8O22(OH)2 Cummingtonite series Cummingtonite – Fe2Mg5Si8O22(OH)2 Grunerite – Fe7Si8O22(OH)2 Tremolite series Tremolite – Ca2Mg5Si8O22(OH)2 Actinolite...
20 KB (1,897 words) - 18:21, 16 July 2024
temperatures, and, as a result, hornblende often contains exsolution lamellae of grunerite. Hornblende is a common constituent of many igneous and metamorphic rocks...
8 KB (793 words) - 11:35, 6 April 2024
as crocidolite or "blue asbestos", and brown asbestos, a cummingtonite-grunerite solid solution series. The United States Environmental Protection Agency...
2 KB (189 words) - 18:14, 26 September 2024
tailings contained 40% of the amphibole group mineral series cummingtonite-grunerite, which may form asbestiform particles. A small fraction of the fine-grained...
12 KB (1,446 words) - 20:11, 8 June 2024
asbestosis; amphibole asbestos (anthophyllite, tremolite, actinolite, grunerite, and riebeckite) are considered more dangerous than chrysotile serpentine...
109 KB (13,007 words) - 08:41, 16 October 2024
asbestos, is a trade name for the amphiboles belonging to the cummingtonite-grunerite solid solution series, commonly from South Africa, named as a partial...
112 KB (11,966 words) - 15:03, 28 October 2024
greenschist facies of siderite-phyllite, and lower amphibolite facies of grunerite schists.: J15 The iron may have been deposited by volcanic exhalation...
16 KB (1,951 words) - 17:16, 2 November 2024
carbonates (siderite or ankerite) or silicates (minnesotaite, greenalite, or grunerite), but in those mined as iron ores, oxides (magnetite or hematite) are...
55 KB (7,043 words) - 02:45, 5 November 2024
Galeaclolusite Gcl Gelosaite Gel Gjerdingenite-Mn Gje-Mn Goudeyite Gdy Grunerite Gru Galeite Gle Geminite Gem Gjerdingenite-Na Gje-Na Gowerite Gow Gruzdevite...
180 KB (418 words) - 05:15, 30 June 2024
the belt. The formation is composed mainly of quartz, magnetite, and grunerite. The history of alteration and metamorphism in the Nuvvuagittuq Greenstone...
14 KB (1,610 words) - 19:47, 25 February 2024
Magnesiocummingtonite is the magnesium rich endmember of the cummingtonite-grunerite series of the amphibole group of minerals, with the following composition:...
998 bytes (98 words) - 08:16, 25 November 2022
Talc Chlorite, generally magnesian bluish-green Tremolite-cummingtonite-grunerite amphiboles in greenschist facies rocks Anthophyllite-cummingtonite amphibole...
5 KB (618 words) - 11:12, 14 March 2023
not only polluted Lake Superior but that they contained cummingtonite-grunerite. This substance is found in asbestos, a known carcinogen. On February...
6 KB (749 words) - 10:55, 22 March 2024
amphibole fibers from the blasting, crushing, transport, and processing of grunerite rock (containing asbestiform minerals) documented to be present in the...
15 KB (1,944 words) - 16:19, 11 August 2023
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...
50 KB (4,887 words) - 15:54, 4 April 2024
felsic sequence; the ultramafic units of komatiite affinity, "overlain" by grunerite-magnetite-quartz-amphibole banded iron formation of the Honman Formation...
13 KB (1,534 words) - 05:59, 10 March 2023
metagreywacke, metatuff, chlorite schist, tremolite-actinolite schist and rare grunerite schist. The unit is exposed on both limbs of the South Pass synclinorium...
13 KB (1,852 words) - 22:47, 3 October 2024
geologist Shulamit Gross (1923–2012) Grothite (titanite var., 9.AG.15) Grunerite: Fe7Si8O22(OH)2 – Swiss-French chemist Emmanuel-Louis Gruner (1809–1883)...
57 KB (5,334 words) - 14:39, 26 October 2024
Waldenburg Diplomatic relations are established by the United States Grunerite is discovered and named after Emmanuel-Louis Gruner, the Swiss-French...
2 KB (191 words) - 08:22, 9 March 2024
(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]...
58 KB (4,158 words) - 09:21, 29 February 2024