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Hellyerite Mineral Data + |
General Hellyerite Information |
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| NiCO3·6(H2O) | |||
| Molecular Weight = 226.79 gm | |||
| Nickel 25.88 % Ni 32.93 % NiO | |||
| Hydrogen 5.33 % H 47.66 % H2O | |||
| Carbon 5.30 % C 19.41 % CO2 | |||
| Oxygen 63.49 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Ni(CO3)·6(H2O) | |||
| Shear planes in serpentinite. | |||
| Valid Species (Pre-IMA) 1958 | |||
| Old Lord Brassy mine, Heazlewood, TAS, Australia. Link to MinDat.org Location Data. | |||
| Named for Henry Hellyer (1826-), first surveyor general of Van Dieman's Land, TAS, Australia. | |||
Hellyerite Image | |||
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Hellyerite Crystallography |
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| a:b:c =1.4755:1:2.5593 | |||
| a = 10.77, b = 7.299, c = 18.681, Z = 8; beta = 94° V = 1,464.94 Den(Calc)= 2.06 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | |||
| By Intensity(I/Io): 5.811(1), 9.318(0.89), 5.679(0.43), | |||
Physical Properties of Hellyerite |
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| [???] Perfect, [???] Very Good, [???] Very Good | |||
| Light blue. | |||
| 1.97 | |||
| Encrustations - Forms crust-like aggregates on matrix. | |||
| 2.5 - Finger Nail | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Hellyerite |
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| CI meas= 0.023 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.066 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2439,KPDmeas= 0.255,KC= 0.261 |
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| Biaxial (-), a=1.455, b=1.503, g=1.549, bire=0.0940, 2V(Calc)=86, 2V(Meas)=85. | |||
Calculated Properties of Hellyerite |
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relectron=2.05 gm/cc |
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| Fermion Index = 0.00381 Boson Index = 0.99619 |
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PEHellyerite = 9.90 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Hellyerite is Not Radioactive |
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Hellyerite Classification |
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| 15.1.7.1 (15)Hydrated Carbonates | |||
| (15.1)where A+ (XO3) · x(H2O) | |||
| (15.1.7)Dana Group | |||
| V/D.01-40 V - Nitrates, Carbonates and Borates | |||
| V/D - Water-bearing carbonates without unfamiliar anions | |||
| V/D.01 - Barringtonite - Ikaite series | |||
Other Hellyerite 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 Hellyerite : 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 Hellyerite using: Visit our Advertisers for Hellyerite : Translate Hellyerite Mineral Data : Ask about Hellyerite here : Print or Cut-and-Paste your Hellyerite Specimen Label here :
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