[How the Club Works] [Memberships - Junior, Deluxe , and Platinum] [FAQ] [Past Minerals] Join the Club - Junior, Deluxe and Platinum Memberships Available High Quality Minerals Sent to Your Home or School Each Month Mineral of the Month Club - An Inexpensive Way to Enjoy Minerals General Hydroxylclinohumite InformationMg9(SiO4)4(OH,F)2 |
Molecular Weight = 621.49 gm |
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Magnesium 35.20 % Mg 58.37 % MgO |
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Silicon 18.08 % Si 38.67 % SiO2 |
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Hydrogen 0.29 % H 2.61 % H2O |
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Oxygen 45.82 % O |
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Fluorine 0.61 % F 0.61 % F |
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- %
F -0.26 % -O=F2 |
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100.00 % 100.00 % = TOTAL OXIDE |
Mg9(SiO4)4(OH)1.8F0.2 |
Occurs in Mg-skarn (chaliphyric) rims around dolomitic marble xenoliths in gabbroic rocks and associated Fe-Ti ores. A member of the humite group |
Approved IMA 1998 (Dana # Added) |
Zelentsovskaya mine on the southern slopes of the western Urals, Russia. Link to MinDat.org Location Data. |
Named for its composition and the mineral clinohumite. |
Hydroxylclinohumite + Pronunciation |
IMA1998-065 |
| | Hydroxylclinohumite Image
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Hydroxylclinohumite Crystallographya:b:c =2.8831:1:2.1636 |
a = 13.6894, b = 4.748, c = 10.273, Z = 3; beta = 100.72° V = 656.06 Den(Calc)= 4.72 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c |
By Intensity(I/Io): 2.269(1)(512), 3.72(0.95)(202), 2.259(0.95)(114),
2.516(0.93)(313), 2.772(0.91)(113), 2.551(0.8)(411), 1.747(0.79)(422,522,124) |
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| Physical Properties of HydroxylclinohumiteNone |
Yellow orange, Pale yellow. |
3.13 |
Transparent to Translucent |
Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments. |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
6.5 - Pyrite |
Vitreous - Dull |
white |
| Optical Properties of HydroxylclinohumiteCI meas= 0.001 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.337 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1367,KPDmeas= 0.2062,KC= 0.2063 Ncalc = 1.65 - 1.97 Biaxial (+), a=1.631, b=1.641, g=1.664, bire=0.0330, 2V(Calc)=68, 2V(Meas)=70. Dispersion weak. |
| Calculated Properties of HydroxylclinohumiteBulk Density (Electron Density)=3.12 gm/cc |
note: Specific Gravity of Hydroxylclinohumite =3.13 gm/cc. Fermion Index = 0.04 |
Boson Index = 0.96 PEHydroxylclinohumite = 1.48 barns/electron |
U=PEHydroxylclinohumite x rElectron Density= 4.62 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Hydroxylclinohumite is Not Radioactive | Hydroxylclinohumite Classification52.03.02d.04 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O |
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(52.03)with cations in [6] coordination only |
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(52.03.02d)Humite group (Clinohumite series) |
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09.AF.55 09 - SILICATES (Germanates) |
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09.A - Nesosilicates |
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09.AF -Nesosilicates with additional anions; |
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| Other Hydroxylclinohumite InformationNAME( AmMin, Vol 85, p 1843) PHYS. PROP.(AmMin, Vol 85, p 1843) OPTIC PROP.(AmMin, Vol 85, p 1843) |
Links to other databases for Hydroxylclinohumite : |
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 11 - WWW-MINCRYST Search for Hydroxylclinohumite using: Visit our Advertisers for Hydroxylclinohumite : 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 Hydroxylclinohumite Mineral Data : Ask about Hydroxylclinohumite here : Print or Cut-and-Paste your Hydroxylclinohumite Specimen Label here :
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