Aerugite Mineral Data

Aerugite Mineral Data
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General Aerugite Information

Help on Chemical Formula: Chemical Formula: ([ ],Ni)9(AsO4)2(AsO6) (?)
Help on Composition: Composition: Molecular Weight = 976.97 gm
   Nickel   54.07 %  Ni   68.81 % NiO
   Arsenic  23.01 %  As   30.38 % As2O3
   Oxygen   22.93 %  O
           ______        ______ 
           100.00 %       99.18 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ni9As3O14
Help on Environment: Environment: Found in the walls of furnaces used to roast ore.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1858
Help on Locality: Locality: South Terres mine, St Austell, Cornwall, England. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for 'copper rust', in allusion to its appearance.
Help on Name Pronunciation: Name Pronunciation: Aerugite Say AERUGITE
Help on Synonym: Synonym: ICSD 65630
  PDF 18-873 mcl
 

Aerugite Image

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Aerugite

Comments: Small dark green crystals of aerugite.
Location: Johanngeorgenstadt, Erzgebirge, Saxony, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Aerugite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:4.63249
Help on Cell Dimensions: Cell Dimensions: a = 5.951, c = 27.568, Z = 3; V = 845.50 Den(Calc)= 5.76
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.06(1), 3.76(0.8), 2.329(0.6),
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Fleet M E , Barbier J , Acta Crystallographica, Section B , 45 (1989) p.201-205, Structure of aerugite (Ni8.5As3O16) and interrelated, arsenate and germanate structural series

 

Physical Properties of Aerugite

Help on Color: Color: Deep blue green, Green.
Help on Density: Density: 5.85 - 5.95, Average = 5.9
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 4 - Fluorite
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: greenish white
 

Optical Properties of Aerugite

Help on Optical Data: 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

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.46 gm/cc
note: Specific Gravity of Aerugite =5.76 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0062195475
Boson Index = 0.9937804525
Help on Photoelectric: Photoelectric: PEAerugite = 37.82 barns/electron
U=PEAerugite x rElectron Density= 206.47 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Aerugite is Not Radioactive
 

Aerugite Classification
Help on Dana Class: Dana Class: 38.05.10.01 (38)Anhydrous Phosphates, etc
  (38.05)with miscellaneous formulae
  (38.05.10)Dana Group
 
38.05.10.01 Aerugite ([],Ni)9(AsO4)2(AsO6)(?) R 3m 3 2/m
Help on Strunz Class: Strunz Class: 08.BC.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BC -With only medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1
 
08.BC.15 Aerugite ([],Ni)9(AsO4)2(AsO6)(?) R 3m 3 2/m
 

Other Aerugite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8)
Help on See Also: 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 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Aerugite

([ ],Ni)9(AsO4)2(AsO6) (?)
Dana No: 38.05.10.01 Strunz No: 08.BC.15
Locality:

 

Notes: