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Nissonite Mineral Data

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General Nissonite Information

Help on Chemical  Formula: Chemical Formula: Cu2Mg2(PO4)2(OH)2•5(H2O)
Help on Composition: Composition: Molecular Weight = 489.74 gm
   Magnesium    9.93 %  Mg   16.46 % MgO
   Copper      25.95 %  Cu   32.49 % CuO
   Phosphorus  12.65 %  P    28.98 % P2O5
   Hydrogen     2.47 %  H    22.07 % H2O
   Oxygen      49.00 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu2Mg2(PO4)2(OH)2•5(H2O)
Help on Environment: Environment: Rare mineral in a copper prospect.
Help on IMA Status: IMA Status: Approved IMA 1966
Help on Locality: Locality: Llanada copper mine, 4 miles NNE of Llanada, San Benito Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for William H. Nisson (1912-1965), amateur mineralogist, mineral collector and dealer, of Petaluma, California, USA.
Help on Name Pronunciation: Name Pronunciation: Nissonite + Pronunciation Say NISSONITE
Help on Synonym: Synonym: ICSD 69386
  PDF 40-478

Nissonite Image

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Comments: Pale blue nissonite crusts on rock.
Location: Panoche Valley, San Benito County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Nissonite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =4.4911:1:2.0949
Help on Cell Dimensions: Cell Dimensions: a = 22.523, b = 5.015, c = 10.506, Z = 4; beta = 99.62° V = 1,170.00 Den(Calc)= 2.78
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 11.14(1), 2.785(0.25), 4.374(0.21),

Physical Properties of Nissonite

Help on Cleavage: Cleavage: {100} Distinct
Help on Color: Color: Bluish green.
Help on Density: Density: 2.73
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Streak: Streak: light green

Optical Properties of Nissonite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.031 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.012 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2188,KPDmeas= 0.2228,KC= 0.2162
Ncalc = 1.59 - 1.6
Help on Optical Data: Optical Data: Biaxial (-), a=1.584, b=1.62, g=1.621, bire=0.0370, 2V(Calc)=18, 2V(Meas)=19.

Calculated Properties of Nissonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.77 gm/cc
note: Specific Gravity of Nissonite =2.78 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PENissonite = 11.86 barns/electron
U=PENissonite x rElectron Density= 32.87 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nissonite is Not Radioactive

Nissonite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.07)where (AB)5 (XO4)3 Zq � x(H2O)
  (42.07.05)Dana Group Nissonite Cu2Mg2(PO4)2(OH)2•5(H2O) C 2/c 2/m
Help on  Strunz Class: Strunz Class: 08.DC.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
08.DC.05 Nissonite Cu2Mg2(PO4)2(OH)2•5(H2O) C 2/c 2/m

Other Nissonite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Nissonite :
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

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Dana No: Strunz No: 08.DC.05





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