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Widgiemoolthalite Mineral Data + |
General Widgiemoolthalite Information |
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| (Ni,Mg)5(CO3)4(OH)2·4-5(H2O) | |||
| Molecular Weight = 596.99 gm | |||
| Magnesium 6.11 % Mg 10.13 % MgO | |||
| Nickel 34.41 % Ni 43.79 % NiO | |||
| Hydrogen 1.86 % H 16.60 % H2O | |||
| Carbon 8.05 % C 29.49 % CO2 | |||
| Oxygen 49.58 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Ni3.5Mg1.5(CO3)4(OH)2·4.5(H2O) | |||
| Found with other secondary nickel minerals in the mined ore stockpile. | |||
| Approved IMA 1993 | |||
| 132 North Nickel mine, 4 km SW of Widgiemooltha, 80 km S of Kalgoorlie, Australia. Link to MinDat.org Location Data. | |||
| Named for the locality. | |||
| IMA1992-006 | |||
Widgiemoolthalite Image | |||
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Widgiemoolthalite Crystallography |
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| a:b:c =1.1497:1:0.9508 | |||
| a = 10.06, b = 8.75, c = 8.32, Z = 2; beta = 114.3° V = 667.48 Den(Calc)= 2.97 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c | |||
| By Intensity(I/Io): 5.75(1), 6.3(0.5), 4.36(0.4), | |||
Physical Properties of Widgiemoolthalite |
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| [hk0] Perfect, [hk0] Perfect | |||
| Blue green, Green. | |||
| 3.13 | |||
| Transparent | |||
| Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende). | |||
| Acicular - Occurs as needle-like crystals. | |||
| Massive - Uniformly indistinguishable crystals forming large masses. | |||
| Spherical - Spherical, rounded aggregates. | |||
| 3.5 - Copper Penny | |||
| Silky | |||
| apple green | |||
Optical Properties of Widgiemoolthalite |
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| CI meas= 0.061 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.01 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2138,KPDmeas= 0.2029,KC= 0.216 |
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| Biaxial (+), a=1.63, g=1.64, bire=0.0100, 2V(Meas)=high. | |||
Calculated Properties of Widgiemoolthalite |
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relectron=2.98 gm/cc |
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| Fermion Index = 0.01112 Boson Index = 0.98888 |
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PEWidgiemoolthalite = 13.63 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Widgiemoolthalite is Not Radioactive |
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Widgiemoolthalite Classification |
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| 16b.7.1.2 (16b)Carbonates - Hydroxyl or Halogen | |||
| (16b.7)Dana Type | |||
| (16b.7.1)Dana Group | |||
| V/E.01-15 V - Nitrates, Carbonates and Borates | |||
| V/E - Water-bearing carbonates with unfamiliar anions | |||
| V/E.01 - Hydromagnesite - Brugnatellite series | |||
Other Widgiemoolthalite Information |
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| NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.78,p819-821,1993) OPTIC PROP.(Am.Min.,Vol.78,p819-821,1993) | |||
| Links to other databases for Widgiemoolthalite : 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 - WWW-MINCRYST 14 -École des Mines de Paris Search for Widgiemoolthalite using: Visit our Advertisers for Widgiemoolthalite : AA Mineral SpecimensB & L Fine Minerals 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 T G Fine Minerals Wrights Rock Shop Translate Widgiemoolthalite Mineral Data : Ask about Widgiemoolthalite here : Print or Cut-and-Paste your Widgiemoolthalite Specimen Label here :
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