General Clinoferroholmquistite Information
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Chemical Formula: |
[ ](Li2Fe++3Al2)Si8O22 (OH)2 |
Composition: |
Molecular Weight = 814.53 gm |
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Lithium 1.70 % Li 3.67 % Li2O |
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Magnesium 2.98 % Mg 4.95 % MgO |
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Aluminum 6.63 % Al 12.52 % Al2O3 |
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Iron 13.71 % Fe 17.64 % FeO |
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Silicon 27.58 % Si 59.01 % SiO2 |
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Hydrogen 0.25 % H 2.21 % H2O |
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Oxygen 47.14 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Li2Fe2+2MgAl2(Si8O22)(OH)2 |
Environment: |
Theroetical amphbole end-member not found in natrue. |
IMA Status: |
Renamed IMA 1997 |
Locality: |
Link to MinDat.org Location Data. |
Name Origin: |
Named for its composition, monoclinic crystal structure, and relationship with holmsquisite. |
Synonym: |
Ferroclinoholmquistite |
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Search for Clinoferroholmquistite Images |
Images:
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Clinoferroholmquistite Crystallography
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Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
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Physical Properties of Clinoferroholmquistite
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Cleavage: |
[???] Good |
Color: |
Blue gray. |
Hardness: |
5-6 - Between Apatite and Orthoclase |
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Calculated Properties of Clinoferroholmquistite
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Fermion Index |
Fermion Index = 0.02027 Boson Index = 0.97973 |
Photoelectric: |
PEClinoferroholmquistite = 5.38 barns/electron U=PEClinoferroholmquistite x relectron= . barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Clinoferroholmquistite is Not Radioactive |
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Clinoferroholmquistite Classification
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Dana Class: |
66.1.1.8 (66)Inosilicate Double-Width Unbranched Chains, W=2 |
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(66.1)Dana Type |
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(66.1.1)Group 1, the Mg-Fe-Mn-Li amphiboles (Monoclinic) |
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66.1.1.1 Magnesiocummingtonite (Mg,Fe)7Si8O22(OH)2 C 2/m 2/m |
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66.1.1.2 Cummingtonite []Mg7Si8O22(OH)2 C 2/m 2/m |
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66.1.1.3 Grunerite []Fe7Si8O22(OH)2 C 2/m 2/m |
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66.1.1.3b Permanganogrunerite! []Mn4(Fe)3(Si8O22)(OH)2 C 2/m 2/m |
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66.1.1.4 Manganocummingtonite Na(Na,Mn)2(Mg4,Fe)5Si8O22(OH)2 C 2/m 2/m |
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66.1.1.5 Manganogrunerite []Mn2Fe5Si8O22(OH) C 2/m 2/m |
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66.1.1.6 Magnesioclinoholmquistite? Li2(Mg,Fe)3Al2Si8O22(OH)2 C 2/m 2/m |
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66.1.1.7 Clinoholmquistite? [](Li2Mg3Al2)Si8O22(OH)2 C 2/m 2/m |
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66.1.1.8 Clinoferroholmquistite [](Li2Fe3Al2)Si8O22(OH)2 C 2/m 2/m |
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66.1.1.8a Ferri-clinoholmquistite! []Li2Mg3(Fe3)2(Si8O22)(OH)2 C 2/m 2/m |
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66.1.1.8b Ferri-clinoferroholmquistite! []Li2(Fe2Fe3)Si8O22(OH)2 C 2/m 2/m |
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66.1.1.9 Sodic-ferripedrizite! Na(LiNa)(Fe2Mg2Li)Si8O22(OH,F)2 C 2/m 2/m |
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66.1.1.9a Ferripedrizite! NaLi2(Fe2Mg2Li)Si8O22(OH)2 C 2/m 2/m |
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66.1.1.9b Sodic-ferri-ferropedrizite! NaLi2(Fe2Fe3)Si8O22(OH)2 C 2/m 2/m |
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66.1.1.9c Fluoro-sodic-pedrizite! NaLi2(Mg2Al2Li)S5Si8O22F2 C 2/m 2/m |
Strunz Class: |
VIII/F.07-80 VIII - Silicates |
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VIII/F - Inosilicates (chain and band) double chains [Si4O11]6- , Mg-Fe-Mn-Amphiboles |
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VIII/F.07 - Amphibole group, Magnesiocummingtonite - Ferroclinoholmquistite series |
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VIII/F.07-10 Magnesiocummingtonite (Mg,Fe)7Si8O22(OH)2 C 2/m 2/m |
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VIII/F.07-20 Cummingtonite []Mg7Si8O22(OH)2 C 2/m 2/m |
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VIII/F.07-30 Grunerite []Fe7Si8O22(OH)2 C 2/m 2/m |
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VIII/F.07-40 Manganocummingtonite Na(Na,Mn)2(Mg4,Fe)5Si8O22(OH)2 C 2/m 2/m |
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VIII/F.07-50 Manganogrunerite []Mn2Fe5Si8O22(OH) C 2/m 2/m |
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VIII/F.07-55 Permanganogrunerite! []Mn4(Fe)3(Si8O22)(OH)2 C 2/m 2/m |
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VIII/F.07-60 Magnesioclinoholmquistite? Li2(Mg,Fe)3Al2Si8O22(OH)2 C 2/m 2/m |
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VIII/F.07-70 Clinoholmquistite? [](Li2Mg3Al2)Si8O22(OH)2 C 2/m 2/m |
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VIII/F.07-80 Clinoferroholmquistite [](Li2Fe3Al2)Si8O22(OH)2 C 2/m 2/m |
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VIII/F.07-90 Ferri-clinoferroholmquistite! []Li2(Fe2Fe3)Si8O22(OH)2 C 2/m 2/m |
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Other Clinoferroholmquistite Information
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References: |
NAME( Dana8, CanMin 97:219) |
See Also: |
Links to other databases for Clinoferroholmquistite :
1 -Am. Min. Crystal Structure Database
2 -Athena
3 -Google Images
4 -Google Scholar
5 -MinDAT
6 -MinMax(Deutsch)
7 -MinMax(English)
8 -Mineralienatlas (Deutsch)
9 -QUT Mineral Atlas
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Print or Cut-and-Paste your Clinoferroholmquistite Specimen Label here :
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Clinoferroholmquistite
[ ](Li2Fe++3Al2)Si8O22 (OH)2
Dana No: 66.1.1.8 Strunz No: VIII/F.07-80
Locality:
Notes:
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