General Rinmanite Information Chemical Formula: |
(Zn,Mn)2Sb2Mg2Fe4O14(OH)2 |
Composition: |
Molecular Weight = 894.42 gm |
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Magnesium 5.43 % Mg 9.01 % MgO |
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Manganese 1.84 % Mn 2.38 % MnO |
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Aluminum 0.60 % Al 1.14 % Al2O3 |
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Zinc 11.70 % Zn 14.56 % ZnO |
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Iron 24.35 % Fe 31.33 % FeO |
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Antimony 27.22 % Sb 36.17 % Sb2O5 |
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Hydrogen 0.23 % H 2.01 % H2O |
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Oxygen 28.62 % O |
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______ ______ |
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100.00 % 96.60 % = TOTAL OXIDE |
Empirical Formula: |
Zn1.6Mn2+0.3Sb2Mg2Fe2+3.9Al0.2O14(OH)2 |
Environment: |
Skarn mineral formed during prograde metamorphism of an initially low-S, siliceous carbonate protolith enriched in Zn, Sb and Fe, at relatively high P(H2O). Isostructural with nolan ite |
IMA Status: |
Approved IMA 2000 (Dana # Added) |
Locality: |
Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. Link to MinDat.org Location Data. |
Name Origin: |
Named after Sven Rinman (1720-1792), father of the Swedish mineral industry, member of the Bergskollegium. |
Synonym: |
IMA2000-036 |
| | Rinmanite Image
Images:
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Images:
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Rinmanite Crystallography Axial Ratios: |
a:c = 1:1.56146 |
Cell Dimensions: |
a = 5.9899, c = 9.353, Z = 1; V = 290.62 Den(Calc)= 5.11 |
Crystal System: |
Hexagonal - Dihexagonal PyramidalH-M Symbol (6mm) Space Group: P 63mc |
X Ray Diffraction: |
By Intensity(I/Io): 2.522(1)(112), 1.497(0.54)(220), 2.673(0.44)(103),2.994(0.43)(110), 3.474(0.34)(102), 1.517(0.33)(205), 1.66(0.28)(213), 5.19(0.2)(100), |
Crystal Structure:
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Mouse
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| Physical Properties of Rinmanite Cleavage: |
{100} Good |
Color: |
Black, Very dark red. |
Diaphaneity: |
Opaque |
Fracture: |
Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende). |
Habit: |
Acicular - Occurs as needle-like crystals. |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Hardness: |
6-7 - Orthoclase-Quartz |
Luster: |
Sub Metallic |
Streak: |
brown |
| Optical Properties of Rinmanite Optical Data: |
Uniaxial (-). |
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NCalc= 1.86 - from Gladstone-Dale relationship (KC = 0.1692) where Ncalc=Dcalc*KC+1 |
RL Anisotrophism: |
Moderate. |
Reflectivity |
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| Calculated Properties of Rinmanite Electron Density: |
Bulk Density (Electron Density)=4.75 gm/cc |
note: Specific Gravity of Rinmanite =5.11 gm/cc. Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PERinmanite = 100.47 barns/electron |
U=PERinmanite x rElectron Density= 476.99 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Rinmanite is Not Radioactive | Rinmanite Classification Dana Class: |
04.06.07.02 (04)Simple Oxides |
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(04.06)not classified |
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(04.06.07)Dana Group |
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Strunz Class: |
04.CB.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.C - Metal:Oxygen = 2:3, 3:5, and Similar |
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04.CB -With medium-sized cations |
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| Other Rinmanite Information References: |
NAME( CanMin vol 39, n 6, p 1675) PHYS. PROP.(CanMin vol 39, n 6, p 1675) OPTIC PROP.(CanMin vol 39, n 6, p 1675) |
See Also: |
Links to other databases for Rinmanite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Rinmanite using: Visit our Advertisers for Rinmanite : A Bijoux Google Search for RinmaniteAdam's Minerals Google Search for Rinmanite Cape Minerals Google Search for Rinmanite Dakota Matrix Minerals Google Search for Rinmanite Excalibur Mineral Corp. Google Search for Rinmanite Exceptional Minerals Google Search for Rinmanite John Betts Fine Minerals Search for Rinmanite McDougall Minerals Google Search for Rinmanite Mineral News Website Link Rock and Mineral Shows Google Search for Rinmanite Weinrich Minerals, Inc. Google Search for Rinmanite Ask about Rinmanite here : Print or Cut-and-Paste your Rinmanite Specimen Label here :
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