Tremolite is a member of the amphibole group of silicate minerals with composition Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2. Tremolite forms by metamorphism...
6 KB (382 words) - 17:32, 24 June 2024
Although tremolite is a metamorphic amphibole, it is most commonly derived from highly metamorphosed ultramafic rocks, and thus tremolite-talc schist...
9 KB (1,012 words) - 14:30, 9 January 2024
origin include those developed in limestones by contact metamorphism (tremolite) and those formed by the alteration of other ferromagnesian minerals (such...
15 KB (1,556 words) - 23:57, 4 March 2024
formerly used in many products until the early 1980s. [citation needed] Tremolite asbestos constituted a contaminant of many if not all naturally occurring...
112 KB (11,892 words) - 12:54, 7 September 2024
intermediate member in a solid-solution series between magnesium-rich tremolite, Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2, and iron-rich ferro-actinolite...
5 KB (404 words) - 13:51, 26 March 2024
tremolite. Hydrated metamorphic rock assemblages are dominated by the minerals chlorite, serpentine-antigorite and brucite. Traces of talc, tremolite...
27 KB (3,374 words) - 07:23, 7 May 2024
are; Olivine + Tremolite + Talc → Olivine + Tremolite + Anthophyllite (low MgO, >550 °C, XCO2 <0.6) Talc + Tremolite + Magnesite → Tremolite + Anthophyllite...
7 KB (578 words) - 10:56, 2 September 2023
Cummingtonite – Fe2Mg5Si8O22(OH)2 Grunerite – Fe7Si8O22(OH)2 Tremolite series Tremolite – Ca2Mg5Si8O22(OH)2 Actinolite – Ca2(Mg,Fe)5Si8O22(OH)2 Hornblende...
20 KB (1,897 words) - 18:21, 16 July 2024
stacks within the cove and the valley are of tremolite serpentine which is fine-grained and banded. Tremolite is different from bastite serpentine because...
10 KB (946 words) - 17:47, 29 December 2023
class and those belonging to the amphibole class: amosite, crocidolite, tremolite, anthophyllite and actinolite. Short, fiber-like minerals include wollastonite...
19 KB (1,885 words) - 14:51, 19 August 2024
Hexagonite is the red to pink, lilac to purple manganoan variety of tremolite. A rare amphibole, it can be transparent, translucent, and rarely opaque...
3 KB (223 words) - 22:28, 27 November 2018
is all asbestos with UN 2212 limited to asbestos, amphibole amosite, tremolite, actinolite, anthophyllite, or crocidolite. Another exception, NA 3334...
4 KB (529 words) - 07:12, 5 June 2024
Mineralogical Association as a mineral species name in 1978 (replaced by tremolite). The name "nephrite" is mineralogically correct for referring to the...
38 KB (4,497 words) - 11:26, 1 September 2024
with aegirine, nepheline, albite, arfvedsonite in igneous rocks; with tremolite, ferro-actinolite in metamorphic rocks; and with grunerite, magnetite...
7 KB (557 words) - 07:23, 9 July 2024
predominantly of talc, with varying amounts of chlorite and amphiboles (typically tremolite, anthophyllite, and cummingtonite, hence its obsolete name, magnesiocummingtonite)...
26 KB (2,823 words) - 02:24, 14 August 2024
no asbestos. The former vermiculite mine in Libby, Montana, did have tremolite asbestos as well as winchite and richterite (both fibrous amphiboles)—in...
24 KB (2,769 words) - 09:33, 6 July 2024
other illnesses, such as asbestosis; amphibole asbestos (anthophyllite, tremolite, actinolite, grunerite, and riebeckite) are considered more dangerous...
109 KB (13,007 words) - 16:14, 20 July 2024
contact registered individuals with important health information. The Tremolite Asbestos Registry contains people who lived in or worked in Libby, Montana...
52 KB (5,291 words) - 22:00, 14 August 2024
serendibite include diopside, spinel, phlogopite, scapolite, calcite, tremolite, apatite, grandidierite, sinhalite, hyalophane, uvite, pargasite, clinozoisite...
3 KB (124 words) - 17:21, 19 December 2023
Retrieved 17 April 2018. Roth, Philippe (2006). "The early history of Tremolite" (PDF). Axis. 2 (3): 1–10. Archived from the original (PDF) on 2020-03-16...
8 KB (598 words) - 18:12, 8 August 2024
stage were a variety of calc-silicates, including diopside, forsterite, tremolite, together with talc and chlorite. Subsequent metasomatism, probably associated...
6 KB (606 words) - 21:44, 20 June 2024
Nyerereite Varieties that are not valid species: Nephrite (variety of tremolite/actinolite) Niobite (synonym of columbite) Niobite-tantalite (synonym...
42 KB (2,782 words) - 11:49, 1 September 2024
Fluor-liddicoatite Indicolite Olenite Paraiba (var.) Rossmanite Rubellite (var.) Tremolite Hexagonite (var.) Triphylite Triplite Tugtupite Turquoise Ulexite Ussingite...
13 KB (867 words) - 01:34, 24 August 2024
mountain leather include: actinolite, palygorskite, saponite, sepiolite, tremolite, and zeolite. Chrysotile Committee on Asbestos: Selected Health Effects...
2 KB (189 words) - 00:41, 17 November 2023
calcite, dolomite, quartz, tremolite, talc, and forsterite for the albite-epidote hornfels facies; calcite, dolomite, quartz, tremolite, diopside, and forsterite...
17 KB (2,160 words) - 14:08, 17 August 2024
Apatite is by far the main gangue mineral while other gangue minerals are tremolite-actinolite and calcite. Apatite is at places evenly distributed in the...
20 KB (2,158 words) - 13:08, 29 July 2024
including actinolite, amosite, anthophyllite, chrysotile, crocidolite, tremolite) Azathioprine Benzene Benzidine, and dyes metabolized to Benzo[a]pyrene...
12 KB (1,206 words) - 16:05, 28 August 2024
polysilicates are ladder polymers. One example is provided by the mineral tremolite. In the area of coordination chemistry, the ladder structure is seen in...
7 KB (744 words) - 12:30, 18 July 2024
a variety of the calcium, magnesium, and iron-rich amphibole minerals tremolite or actinolite (aggregates of which also make up one form of asbestos)...
18 KB (2,204 words) - 20:29, 18 August 2024
occurs naturally as the mineral eskolaite, which is found in chromium-rich tremolite skarns, metaquartzites, and chlorite veins. Eskolaite is also a rare component...
9 KB (840 words) - 05:53, 3 July 2024