Paraotwayite Mineral Data + 
|
[Mineral Specimens] [Our best] [Rare specimens] [Latest updates] [Home Page]
Fine Minerals, Moldavites, Jewellery, Meteorites and Fossils
Rockshop.cz is based in Prague, Czech republic
- 6.2.12.1 Paraotwayite Ni(OH)2-x(SO4,CO3)0.5xx=.5 Pm m
- IV/F.03-10 Brucite Mg(OH)2 P 3m1 3 2/m
- IV/F.03-20 Amakinite (Fe,Mg)(OH)2 P 3m1 3 2/m
- IV/F.03-30 Pyrochroite Mn(OH)2 P 3m1 3 2/m
- IV/F.03-40 Theophrastite Ni(OH)2 P 3m1 3 2/m
- IV/F.03-50 Paraotwayite Ni(OH)2-x(SO4,CO3)0.5xx=.5 Pm m
- IV/F.03-60 Sweetite Zn(OH)2 P 41212,P 43212 4 2 2
- IV/F.03-70 Ashoverite Zn(OH)2 I 41/amd 4/m 2/m 2/m
- IV/F.03-80 Wulfingite Zn(OH)2 P 212121 2 2 2
- IV/F.03-90 Spertiniite Cu(OH)2 C mc21 mm2
- IV/F.03-100 Portlandite Ca(OH)2 P 3m1 3 2/m
General Paraotwayite Information |
|||
 Chemical Formula: |
Ni(OH)2-x(SO4,CO3)0.5x x=.5 | ||
| Composition: |
Molecular Weight = 103.71 gm | ||
| Nickel 56.59 % Ni 72.02 % NiO | |||
| Hydrogen 1.46 % H 13.03 % H2O | |||
| Carbon 1.45 % C 5.30 % CO2 | |||
| Sulfur 3.86 % S 9.65 % SO3 | |||
| Oxygen 36.64 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ni(OH)1.5(SO4)0.125(CO3)0.125 | ||
| IMA Status: |
Approved IMA 1987 | ||
| Locality: |
Otway nickel deposit, Nullagine, Pilbara region, WA. Australia. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for its close physical and chemical resemblance to otwayite. | ||
Paraotwayite Image | |||
|
Images:
|
|
||
Paraotwayite Crystallography |
|||
| Axial Ratios: |
a:b:c =2.6655:1:4.6047 | ||
| Cell Dimensions: |
a = 7.89, b = 2.96, c = 13.63, Z = 6; beta = 91.1° V = 318.26 Den(Calc)= 3.25 | ||
| Crystal System: |
Monoclinic - DomaticH-M Symbol (m) Space Group: Pm | ||
| X Ray Diffraction: |
By Intensity(I/Io): 6.81(1), 2.239(0.8), 5.083(0.8), | ||
Physical Properties of Paraotwayite |
|||
| Cleavage: |
None | ||
| Color: |
Emerald green. | ||
| Density: |
3.3 | ||
| Diaphaniety: |
Translucent | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Habit: |
Fibrous - Crystals made up of fibers. | ||
| Hardness: |
4 - Fluorite | ||
| Luster: |
Silky | ||
| Streak: |
white | ||
Optical Properties of Paraotwayite |
|||
| Gladstone-Dale: |
CI meas= -0.034 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= -0.05 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2092,KPDmeas= 0.2061,KC= 0.1993 |
||
| Optical Data: |
Biaxial (?), a=1.655, g=1.705, bire=0.0500 | ||
Calculated Properties of Paraotwayite |
|||
| Electron Density: |
relectron=3.26 gm/cc |
||
| Fermion Index |
Fermion Index = 0.00702 Boson Index = 0.99298 |
||
| Photoelectric: |
PEParaotwayite = 22.52 barns/electron |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Paraotwayite is Not Radioactive |
||
Paraotwayite Classification |
|||
| Dana Class: |
6.2.12.1 (6)Hydroxides and Oxides Containing Hydroxyl | ||
| (6.2)where X++ (OH)2 | |||
| (6.2.12)Dana Group | |||
| Strunz Class: |
IV/F.03-50 IV - Oxides | ||
| IV/F - Hydroxides and oxidic hydrates, water-bearing oxides with layered structure | |||
| IV/F.03 - Brucite series | |||
Other Paraotwayite Information |
|||
| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Am.Min.,Vol.73,p1496,1988) | ||
| See Also: |
Links to other databases for Paraotwayite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris Search for Paraotwayite using: Visit our Advertisers for Paraotwayite : Translate Paraotwayite Mineral Data : Ask about Paraotwayite here : Print or Cut-and-Paste your Paraotwayite Specimen Label here :
|
||
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |