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Nakauriite Mineral Data + |
General Nakauriite Information |
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| (Mn,Ni,Cu)8(SO4)4(CO3)(OH)6·48(H2O) | |||
| Molecular Weight = 1,870.41 gm | |||
| Manganese 11.75 % Mn 15.17 % MnO | |||
| Copper 3.40 % Cu 4.25 % CuO | |||
| Nickel 9.41 % Ni 11.98 % NiO | |||
| Hydrogen 5.50 % H 49.12 % H2O | |||
| Carbon 0.64 % C 2.35 % CO2 | |||
| Sulfur 6.86 % S 17.12 % SO3 | |||
| Oxygen 62.44 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Mn2+4Ni3Cu(SO4)4(CO3)(OH)6·48(H2O) | |||
| Veins cutting massive serpentinite. | |||
| Approved IMA 1976 | |||
| Nakauri, Achi Prefecture, Japan. Link to MinDat.org Location Data. | |||
| Named for the locality. | |||
Nakauriite Image | |||
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Nakauriite Crystallography |
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| a:b:c =1.2715:1:1.4141 | |||
| a = 14.585, b = 11.47, c = 16.22, Z = 2; V = 2,713.44 Den(Calc)= 2.29 | |||
| OrthorhombicSpace Group: Unk | |||
| By Intensity(I/Io): 7.314(1), 3.652(0.2), 2.367(0.16), | |||
Physical Properties of Nakauriite |
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| Sky blue, Light blue. | |||
| 2.39 | |||
| Acicular - Occurs as needle-like crystals. | |||
| Fibrous - Crystals made up of fibers. | |||
| Microscopic Crystals - Crystals visible only with microscopes. | |||
Optical Properties of Nakauriite |
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| CI meas= 0.036 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= -0.006 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2622,KPDmeas= 0.2512,KC= 0.2605 |
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| Biaxial (-), a=1.585, b=1.604, g=1.612, bire=0.0270, 2V(Calc)=64, 2V(Meas)=65. | |||
| colorless. | |||
| light greenish blue. | |||
| pale sky blue. | |||
Calculated Properties of Nakauriite |
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relectron=2.37 gm/cc |
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| Fermion Index = 0.00195 Boson Index = 0.99805 |
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PENakauriite = 8.30 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Nakauriite is Not Radioactive |
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Nakauriite Classification |
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| 32.4.1.1 (32)Compound Sulfates | |||
| (32.4)(hydrous) with poly-anionic formula | |||
| (32.4.1)Dana Group | |||
| VI/D.03-90 VI - Sulfates,Chromates,Molybdates and Tungstates | |||
| VI/D - Water-bearing sulfates with unfamiliar anions. cations of medium size | |||
| VI/D.03 - Langite series, Posnjakite - Nakuriite | |||
Other Nakauriite Information |
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| NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Nakauriite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Nakauriite using: Visit our Advertisers for Nakauriite : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Nakauriite Mineral Data : Ask about Nakauriite here : Print or Cut-and-Paste your Nakauriite Specimen Label here :
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