Rinmanite Mineral Data
General Rinmanite Information
Chemical Formula:
(Zn,Mn)2Sb2Mg2Fe4O14(OH)2
Composition:
Molecular Weight = 894.42 gm
Magnesium 5.43 % Mg 9.01 % MgO
Manganese 1.84 % Mn 2.38 % MnO
Aluminum 0.60 % Al 1.14 % Al2 O3
Zinc 11.70 % Zn 14.56 % ZnO
Iron 24.35 % Fe 31.33 % FeO
Antimony 27.22 % Sb 36.17 % Sb2 O5
Hydrogen 0.23 % H 2.01 % H2 O
Oxygen 28.62 % O
______ ______
100.00 % 96.60 % = TOTAL OXIDE
Empirical Formula:
Zn1.6 Mn2+ 0.3 Sb2 Mg2 Fe2+ 3.9 Al0.2 O14 (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:
Rinmanite
Comments: A. Specimen with carbonates (white), amphibole (reddish) and franklinite–rinmanite (dark spots). B. Same specimen illuminated with UV light (254 nm). Note the orange-red carbonate fluorescence.
Location: Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. (CanMin, v39:1675).
Scale: Specimen Size 5 cm wide.
© Canadian Mineralogist
Images:
Rinmanite Franklinite
Comments: B&W image (reflected light) of a polished section of rinmanite and franklinite (white) with associated silicates.
Location: Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. (CanMin, v39:1675).
Scale: Scale Bar 0.2 mm.
© Canadian Mineralogist
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 Pyramidal H-M Symbol (6mm) Space Group: P 63 mc
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),
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 (-).
NCalc= 1.86 - from Gladstone-Dale relationship (KC = 0.1692) where Ncalc =Dcalc *KC +1
RL Anisotrophism:
Moderate.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Rinmanite in Air
λ
R1
R 2
∑ R1 (λ)
∑ R2 (λ)
460 nm
13.60
12.20
540 nm
12.90
11.80
580 nm
12.70
11.70
640 nm
12.30
11.40
Calculated Relative Intensity Colors of Rinmanite in Air
Relative Intensity
0%
80%
100%
160%
240%
320%
400%
480%
560%
640%
720%
760%
R1
R2
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/electronU=PERinmanite x r Electron 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
(04.06) not classified
(04.06.07) Dana Group
04.06.07.01 Nolanite (V,Fe,Fe,Ti)10O14(OH)2 P 63 mc 6mm
04.06.07.02 Rinmanite ! (Zn,Mn)2Sb2Mg2Fe4O14(OH)2 P 63 mc 6mm
Strunz Class:
04.CB.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
04.C - Metal:Oxygen = 2:3, 3:5, and Similar
04.CB -With medium-sized cations
04.CB.40 Kamiokite Fe2Mo3O8 P 63 mc 6mm
04.CB.40 Nolanite (V,Fe,Fe,Ti)10O14(OH)2 P 63 mc 6mm
04.CB.40 Rinmanite ! (Zn,Mn)2Sb2Mg2Fe4O14(OH)2 P 63 mc 6mm
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
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Rinmanite
(Zn,Mn)2Sb2Mg2Fe4O14(OH)2
Dana No: 04.06.07.02 Strunz No: 04.CB.40
Locality:
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