General Shirozulite Information![]() KMn3(AlSi3)O10(OH,F)2 |
![]() Molecular Weight = 480.43 gm |
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Potassium 7.32 % K 8.82 % K2O |
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Barium 2.57 % Ba 2.87 % BaO |
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Magnesium 4.76 % Mg 7.89 % MgO |
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Titanium 0.40 % Ti 0.67 % TiO2 |
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Manganese 17.50 % Mn 22.59 % MnO |
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Aluminum 9.88 % Al 18.68 % Al2O3 |
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Iron 2.32 % Fe 2.99 % FeO |
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Silicon 14.85 % Si 31.77 % SiO2 |
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Hydrogen 0.41 % H 3.69 % H2O |
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Oxygen 39.86 % O |
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Fluorine 0.12 % F 0.12 % F |
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- %
F -0.05 % -O=F2 |
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100.00 % 100.03 % = TOTAL OXIDE |
![]() K0.9Ba0.09Mn2+1.53Mg0.94Fe2+0.2Al0.29Ti0.04Si2.54Al1.47O10(OH)1.97F0.03 |
![]() Metamorphosed strata-bound Mn ore deposit. (Mn-dominant analogue of phlogopite; structure) |
![]() Approved IMA 2004 (Dana # Added) |
![]() Tauchi mine, Aichi Prefecture, Japan. Link to MinDat.org Location Data. |
![]() Named for Haruo Shirozu, Professor Emeritus of Kyushu University for his contributions to the crystal chemistry of sheet-silicate minerals. |
![]() IMA2001-045 |
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Shirozulite Crystallography![]() a:b:c =0.5772:1:1.1043 |
![]() a = 5.3791, b = 9.319, c = 10.2918, Z = 2; beta = 100.18° V = 507.78 Den(Calc)= 3.14 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
![]() By Intensity(I/Io): 10.09(1)(001), 2.646(0.96)(131), 3.376(0.51)(003),2.458(0.46)(132), 2.194(0.36)(133), 3.426(0.33)(022), |
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| Physical Properties of Shirozulite![]() {001} Perfect |
![]() Dark reddish brown. |
![]() 3.2 |
![]() Transparent |
![]() Micaceous - Platy texture with "flexible" plates. |
![]() 3 - Calcite |
![]() Vitreous - Pearly |
| Optical Properties of Shirozulite![]() CI meas= 0.062 (Fair) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.044 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1977,KPDmeas= 0.194,KC= 0.2068 Ncalc = 1.65 - 1.66 ![]() Biaxial (-), a=1.592, b=1.635, g=1.635, bire=0.0430 |
| Calculated Properties of Shirozulite![]() Bulk Density (Electron Density)=3.06 gm/cc |
note: Specific Gravity of Shirozulite =3.14 gm/cc. ![]() Fermion Index = 0.01 |
Boson Index = 0.99 ![]() PEShirozulite = 17.49 barns/electron |
U=PEShirozulite x relectron= 53.56 barns/cc. ![]() |
GRapi = 103.02 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Shirozulite | Shirozulite Classification![]() 71.02.02b.01b (71)Phyllosilicate Sheets of Six-Membered Rings |
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(71.02)with 2:1 Layers |
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(71.02.02b)Mica Group (Biotite subgroup) |
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![]() 09.EC.20 09 - SILICATES (Germanates) |
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09.E - Phyllosilicates |
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09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets |
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| Other Shirozulite Information![]() NAME( AmMin, v 89, p 232) PHYS. PROP.(AmMin, v 89, p 232) OPTIC PROP.(AmMin, v 89, p 232) |
![]() Links to other databases for Shirozulite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Shirozulite using: Visit our Advertisers for Shirozulite : A Bijoux Google Search for ShirozuliteAdam's Minerals Google Search for Shirozulite Cape Minerals Google Search for Shirozulite Dakota Matrix Minerals Google Search for Shirozulite Excalibur Mineral Corp. Google Search for Shirozulite Exceptional Minerals Google Search for Shirozulite John Betts Fine Minerals Search for Shirozulite McDougall Minerals Google Search for Shirozulite Mineral News Website Link Rock and Mineral Shows Google Search for Shirozulite Weinrich Minerals, Inc. Google Search for Shirozulite Ask about Shirozulite here : Print or Cut-and-Paste your Shirozulite Specimen Label here :
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