General Aerugite Information Chemical Formula: |
([ ],Ni)9(AsO4)2(AsO6) (?) |
Composition: |
Molecular Weight = 976.97 gm |
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Nickel 54.07 % Ni 68.81 % NiO |
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Arsenic 23.01 % As 30.38 % As2O3 |
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Oxygen 22.93 % O |
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______ ______ |
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100.00 % 99.18 % = TOTAL OXIDE |
Empirical Formula: |
Ni9As3O14 |
Environment: |
Found in the walls of furnaces used to roast ore. |
IMA Status: |
Valid Species (Pre-IMA) 1858 |
Locality: |
South Terres mine, St Austell, Cornwall, England. Link to MinDat.org Location Data. |
Name Origin: |
Named from the Greek for 'copper rust', in allusion to its appearance. |
Name Pronunciation: |
Aerugite |
Synonym: |
ICSD 65630 |
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PDF 18-873 mcl |
| | Aerugite Image
Images:
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Aerugite Crystallography Axial Ratios: |
a:c = 1:4.63249 |
Cell Dimensions: |
a = 5.951, c = 27.568, Z = 3; V = 845.50 Den(Calc)= 5.76 |
Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m |
X Ray Diffraction: |
By Intensity(I/Io): 2.06(1), 3.76(0.8), 2.329(0.6), |
Crystal Structure:
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Mouse
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| Physical Properties of Aerugite Color: |
Deep blue green, Green. |
Density: |
5.85 - 5.95, Average = 5.9 |
Diaphaneity: |
Opaque |
Habit: |
Encrustations - Forms crust-like aggregates on matrix. |
Habit: |
Euhedral Crystals - Occurs as well-formed crystals showing good external form. |
Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
Hardness: |
4 - Fluorite |
Magnetism: |
Nonmagnetic |
Streak: |
greenish white |
| Optical Properties of Aerugite Optical Data: |
NCalc= 2.11 - from Gladstone-Dale relationship (KC = 0.1925) where Ncalc=Dcalc*KC+1 |
NCalc= 2.14 - from Gladstone-Dale relationship (KC = 0.1925) where Ncalc=Dmeas*KC+1 | Calculated Properties of Aerugite Electron Density: |
Bulk Density (Electron Density)=5.46 gm/cc |
note: Specific Gravity of Aerugite =5.76 gm/cc. Fermion Index: |
Fermion Index = 0.0062195475 |
Boson Index = 0.9937804525 Photoelectric: |
PEAerugite = 37.82 barns/electron |
U=PEAerugite x rElectron Density= 206.47 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Aerugite is Not Radioactive | Aerugite Classification Dana Class: |
38.05.10.01 (38)Anhydrous Phosphates, etc |
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(38.05)with miscellaneous formulae |
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(38.05.10)Dana Group |
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Strunz Class: |
08.BC.15 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.B - Phosphates, etc. with Additional Anions, without H2O |
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08.BC -With only medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1 |
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| Other Aerugite Information References: |
NAME( Dana8) PHYS. PROP.(Dana8) |
See Also: |
Links to other databases for Aerugite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Aerugite using: Visit our Advertisers for Aerugite : A Bijoux Google Search for AerugiteAdam's Minerals Google Search for Aerugite Cape Minerals Google Search for Aerugite Dakota Matrix Minerals Google Search for Aerugite Excalibur Mineral Corp. Google Search for Aerugite Exceptional Minerals Google Search for Aerugite John Betts Fine Minerals Search for Aerugite McDougall Minerals Google Search for Aerugite Mineral News Website Link Rock and Mineral Shows Google Search for Aerugite Weinrich Minerals, Inc. Google Search for Aerugite Ask about Aerugite here : Print or Cut-and-Paste your Aerugite Specimen Label here :
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