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Ferro-actinolite-Tremolite Series

A solid-solution series between two end-member minerals
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About Ferro-actinolite-Tremolite SeriesHide

Crystal System:
Monoclinic
Series Formula:
◻Ca2Fe52+(Si8O22)(OH)2 to ◻Ca2Mg5(Si8O22)(OH)2
A series between Ferro-actinolite and Tremolite

This series includes the "intermediate" member actinolite.


Unique IdentifiersHide

Mindat ID:
8647
Long-form identifier:
mindat:1:1:8647:5

Chemical AnalysisHide

Oxide wt%:
 12
SiO252.09 %56.75 %
TiO20.13 %0.09 %
Al2O31.4 %2.15 %
Cr2O30.01 %
MnO0.49 %0.16 %
FeO21.61 %4.19 %
MgO9.68 %21.3 %
CaO12.2 %10.36 %
Na2O0.24 %2.62 %
K2O0.07 %0.16 %
Fe2O3
Total:97.92 %97.78 %
Empirical formulas:
Sample IDEmpirical Formula
1(Na0.049K0.013)Σ0.062 (Ca1.961Na0.021Mn0.018)Σ2 (Fe2+2.632Mg2.165Fe3+0.08Al0.063Mn0.045Ti0.015Cr0.001)Σ5.001 (Si7.815Al0.185)Σ8O22 ((OH)1.971O0.029)Σ2

Crystallography of Ferro-actinolite-Tremolite SeriesHide

Crystal System:
Monoclinic

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0006210TremoliteAntao S M, Hassan I, Wang J, Lee P L, Toby B H (2008) State-of-the-art high-resolution powder X-ray diffraction (HRPXRD) illustrated with Rietveld structure refinement of quartz, sodalite, tremolite, and meionite The Canadian Mineralogist 46 1501-15092008Gouverneur district, New York0293
0004630TremoliteBallirano P, Andreozzi G B, Belardi G (2008) Crystal chemical and structural characterization of fibrous tremolite from Susa Valley, Italy, with comments on potential harmful effects on human health American Mineralogist 93 1349-13552008Condove, Susa Valley, Italy0293
0006113TremoliteHawthorne F C, Oberti R, Martin R F (2006) Short-range order in amphiboles from the Bear Lake diggings, Ontario The Canadian Mineralogist 44 1171-11792006Bear Lake diggings, Bancroft area of Ontario, Canada0293
0005419TremoliteJenkins D M, Hawthorne F C (1995) Synthesis and rietveld refinement of amphibole along the join Ca2Mg5Si8O22F2 - NaCa2Mg4Ga3Si6O22F2 The Canadian Mineralogist 33 13-241995Synthetic0293
0001836TremoliteYang H, Evans B W (1996) X-ray structure refinements of tremolite at 140 and 295 K: Crystal chemistry and petrologic implications American Mineralogist 81 1117-112519960295
0003771TremoliteOberti R, Camara F, Ottolini L (2005) Clinoholmquistite discredited: The new amphibole end-member fluoro-sodic-pedrizite sample from Tastyg spodumene deposit, Tuva, Siberia, Russia American Mineralogist 90 732-73620050293
0002418TremoliteMerli M, Ungaretti L, Oberti R (2000) Leverage analysis and structure refinement of minerals American Mineralogist 85 532-54220000293
0002280TremoliteSharma A, Jenkins D M (1999) Hydrothermal synthesis of amphiboles along the tremolite-pargasite join and in the ternary system tremolite-pargasite-cummingtonite American Mineralogist 84 1304-131819990293
0002000Ferro-actinoliteEvans B W, Yang H (1998) Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient and high temperature in an alteration of hornblende, after heating at 700 C American Mineralogist 83 458-47519980293
0001999Ferro-actinoliteEvans B W, Yang H (1998) Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient and high temperature in an alteration of hornblende American Mineralogist 83 458-47519980293
0006601TremoliteOberti R, Ungaretti L, Cannillo E, Hawthorne F C, Memmi I (1995) Temperature-dependent Al order-disorder in the tetrahedral double chain of C2/m amphiboles European Journal of Mineralogy 7 1049-106319950293
0006414TremoliteComodi P, Mellini M, Ungaretti L, Zanazzi P F (1991) Compressibility and high pressure structure refinement of tremolite, pargasite and glaucophane European Journal of Mineralogy 3 485-49919910293
0006413TremoliteComodi P, Mellini M, Ungaretti L, Zanazzi P F (1991) Compressibility and high pressure structure refinement of tremolite, pargasite and glaucophane European Journal of Mineralogy 3 485-49919910293
0005125TremoliteHawthorne F C, Grundy H D (1976) The crystal chemistry of the amphiboles: IV. X-ray and neutron refinements of the crystal structure of tremolite The Canadian Mineralogist 14 334-34519760293
0005124TremoliteHawthorne F C, Grundy H D (1976) The crystal chemistry of the amphiboles: IV. X-ray and neutron refinements of the crystal structure of tremolite The Canadian Mineralogist 14 334-34519760293
0000384TremoliteCameron M, Gibbs G V (1973) The crystal structure and bonding of fluor-tremolite: A comparison with hydroxyl tremolite American Mineralogist 58 879-88819730293
0018031TremoliteWarren B (1930) The crystal structure and chemical composition of the monoclinic amphiboles. _cod_database_code 1011146 Zeitschrift fur Kristallographie 72 493-51619300293
0018086TremoliteWarren B (1929) The structure of tremolite H2 Ca2 Mg5 (Si O3)8 _cod_database_code 1011222 Zeitschrift fur Kristallographie 72 42-5719290293
0001835TremoliteYang H, Evans B W (1996) X-ray structure refinements of tremolite at 140 and 295 K: Crystal chemistry and petrologic implications American Mineralogist 81 1117-112519960140
0000368TremoliteSueno S, Cameron M, Papike J J, Prewitt C T (1973) The high temperature crystal chemistry of tremolite American Mineralogist 58 649-66419730673
0000369TremoliteSueno S, Cameron M, Papike J J, Prewitt C T (1973) The high temperature crystal chemistry of tremolite American Mineralogist 58 649-66419730973
CIF Raw Data - click here to close

Common AssociatesHide

Associations Based on Photo Data:
5 photos of Ferro-actinolite-Tremolite Series associated with 'Nephrite'
2 photos of Ferro-actinolite-Tremolite Series associated with PrehniteCa2Al2Si3O10(OH)2
2 photos of Ferro-actinolite-Tremolite Series associated with 'Jade'
2 photos of Ferro-actinolite-Tremolite Series associated with QuartzSiO2
2 photos of Ferro-actinolite-Tremolite Series associated with Tremolite◻Ca2Mg5(Si8O22)(OH)2
2 photos of Ferro-actinolite-Tremolite Series associated with Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
2 photos of Ferro-actinolite-Tremolite Series associated with OpalSiO2 · nH2O
2 photos of Ferro-actinolite-Tremolite Series associated with ChromiteFe2+Cr3+2O4
1 photo of Ferro-actinolite-Tremolite Series associated with Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
1 photo of Ferro-actinolite-Tremolite Series associated with TitaniteCaTi(SiO4)O

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Ferro-actinolite-Tremolite Series in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Internet Links for Ferro-actinolite-Tremolite SeriesHide

References for Ferro-actinolite-Tremolite SeriesHide

Reference List:

Localities for Ferro-actinolite-Tremolite SeriesHide

Showing 3,850 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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