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Hydroxylclinohumite Mineral Data + |
General Hydroxylclinohumite Information |
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| Mg9(SiO4)4(OH,F)2 | |||
| Molecular Weight = 621.49 gm | |||
| Magnesium 35.20 % Mg 58.37 % MgO | |||
| Silicon 18.08 % Si 38.67 % SiO2 | |||
| Hydrogen 0.29 % H 2.61 % H2O | |||
| Oxygen 45.82 % O | |||
| Fluorine 0.61 % F 0.61 % F | |||
| - % F -0.26 % -O=F2 | |||
| ______ ______ | |||
| 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. | |||
| IMA1998-065 | |||
Search for Hydroxylclinohumite Images | |||
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Hydroxylclinohumite Crystallography |
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| a: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 Hydroxylclinohumite |
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| None | |||
| 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 Hydroxylclinohumite |
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| CI 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 |
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| Biaxial (+), a=1.631, b=1.641, g=1.664, bire=0.0330, 2V(Calc)=68, 2V(Meas)=70. Dispersion weak. | |||
Calculated Properties of Hydroxylclinohumite |
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relectron=3.12 gm/cc |
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| Fermion Index = 0.04385 Boson Index = 0.95615 |
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PEHydroxylclinohumite = 1.48 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Hydroxylclinohumite is Not Radioactive |
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Hydroxylclinohumite Classification |
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| 52.3.2d.4 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O | |||
| (52.3)with cations in [6] coordination only | |||
| (52.3.2d)Humite group (Clinohumite series) | |||
| VIII/B.04-42 VIII - Silicates | |||
| VIII/B - Nesosubsilicates, with anions unfamiliar to tetraheders, cations of octahedral and tetrahedral orientation [4/6] | |||
| VIII/B.04 - Humite group | |||
Other Hydroxylclinohumite Information |
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| NAME( 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 - WWW-MINCRYST Search for Hydroxylclinohumite using: Visit our Advertisers for Hydroxylclinohumite : Translate Hydroxylclinohumite Mineral Data : Ask about Hydroxylclinohumite here : Print or Cut-and-Paste your Hydroxylclinohumite Specimen Label here :
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