[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery] John Betts - Fine Minerals Classic minerals, out-of-print books & magazines, plus informative articles for collectors General Ferri-clinoholmquistite Information[ ]Li2Mg3(Fe3+)2(Si8O22)(OH)2 |
Molecular Weight = 849.26 gm |
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Potassium 0.14 % K 0.17 % K2O |
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Sodium 1.98 % Na 2.66 % Na2O |
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Lithium 1.76 % Li 3.78 % Li2O |
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Calcium 0.19 % Ca 0.26 % CaO |
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Magnesium 3.46 % Mg 5.74 % MgO |
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Titanium 0.68 % Ti 1.13 % TiO2 |
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Aluminum 0.64 % Al 1.20 % Al2O3 |
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Zinc 0.15 % Zn 0.19 % ZnO |
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Iron 19.00 % Fe 11.42 % FeO / 14.48 % Fe2O3 |
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Silicon 26.46 % Si 56.60 % SiO2 |
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Hydrogen 0.19 % H 1.68 % H2O |
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Oxygen 44.42 % O |
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Fluorine 0.94 % F 0.94 % F |
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F -0.40 % -O=F2 |
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______ ______ |
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100.00 % 99.86 % = TOTAL OXIDE |
Na0.43K0.03Li1.66Na0.3Ca0.04Fe3+1.54Fe2+1.35Mg1.21Li0.49Al0.2Ti0.12Zn0.02Si8O22
(OH)1.58F0.42 |
Hydrothermal episyenitic bodies located in the east of the Pedriza Massif. |
Approved IMA 1998 (Dana # Added) |
East Pedriza Massif (Central System, Spain), Link to MinDat.org Location Data. |
The name reflects its composition, monoclinic crystal structure, and relationship to holmquistite in accord with the nomenclature of Leake (1978a, 1978b) |
IMA1995-045 |
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IMA1995-045b |
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Sodic-ferriclinoferroholmquistite |
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| | Ferri-clinoholmquistite Crystallographya:b:c =0.5308:1:0.2956 |
a = 9.472, b = 17.844, c = 5.276, Z = 2; beta = 101.97° V = 872.35 Den(Calc)= 3.23 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
By Intensity(I/Io): 3.1(1)(310), 8.222(0.61)(110), 2.741(0.53)(330),1.433(0.46)(243), 4.458(0.19)(040), |
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| Physical Properties of Ferri-clinoholmquistite{110} Perfect, {110} Perfect |
Black. |
3.19 |
Translucent |
Brittle - Splintery - Brittle fracture leaving splintery fragments. |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
6 - Orthoclase |
Vitreous (Glassy) |
gray |
| Optical Properties of Ferri-clinoholmquistiteCI meas= 0.03 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.042 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2178,KPDmeas= 0.2205,KC= 0.2272 Ncalc = 1.72 - 1.73 Biaxial (+), a=1.699, b=1.703, g=1.708, bire=0.0090, 2V(Calc)=84, 2V(Meas)=72. Dispersion r < v. |
| Calculated Properties of Ferri-clinoholmquistiteBulk Density (Electron Density)=3.14 gm/cc |
note: Specific Gravity of Ferri-clinoholmquistite =3.19 gm/cc. Fermion Index = 0.02 |
Boson Index = 0.98 PEFerri-clinoholmquistite = 7.02 barns/electron |
U=PEFerri-clinoholmquistite x relectron= 22.01 barns/cc. |
GRapi = 1.97 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Ferri-clinoholmquistite | Ferri-clinoholmquistite Classification66.01.01.08a (66)Inosilicate Double-Width Unbranched Chains, W=2 |
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(66.01)with P=2 amphibole configuration |
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(66.01.01)Group 1, the Mg-Fe-Mn-Li amphiboles (Monoclinic) |
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09.DD.05 09 - SILICATES (Germanates) |
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09.D - Inosilicates* Structural terminology according to Liebau (1985) |
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09.DD -Inosilicates with 2-periodic double chains, Si4O11; amphibole family |
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| Other Ferri-clinoholmquistite InformationNAME( AmMin 83:167) PHYS. PROP.(AmMin 83:167) OPTIC PROP.(Am.Min., 83:167) |
Links to other databases for Ferri-clinoholmquistite : |
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 10 - Ruff.Info Search for Ferri-clinoholmquistite using: Visit our Advertisers for Ferri-clinoholmquistite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Ferri-clinoholmquistite Mineral Data : Ask about Ferri-clinoholmquistite here : Print or Cut-and-Paste your Ferri-clinoholmquistite Specimen Label here :
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