Mineralogy Database

Papagoite Mineral Data

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General Papagoite Information

Help on Chemical  Formula: Chemical Formula: CaCuAlSi2O6(OH)3
Help on Composition: Composition: Molecular Weight = 333.79 gm
   Calcium   12.01 %  Ca   16.80 % CaO
   Aluminum   8.08 %  Al   15.27 % Al2O3
   Copper    19.04 %  Cu   21.43 % Cu2O
   Silicon   16.83 %  Si   36.00 % SiO2
   Hydrogen   0.91 %  H     8.10 % H2O
   Oxygen    43.14 %  O
            ______        ______ 
            100.00 %       97.60 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCuAlSi2O6(OH)3
Help on Environment: Environment: Secondary mineral.
Help on IMA Status: IMA Status: Approved IMA 1960
Help on Locality: Locality: Ajo mine, Poma Co., Arizona. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the papago indian tribe, Arizona, USA.
Help on Name Pronunciation: Name Pronunciation: Papagoite + Pronunciation Say PAPAGOITE
Help on Synonym: Synonym: ICSD 68187
  PDF 13-372

Papagoite Image

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Comments: Electric blue crystals of papagoite in matrix.
Location: New Cornelia mine, Ajo, Pima County, Arizona. USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Papagoite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.1245:1:0.4085
Help on Cell Dimensions: Cell Dimensions: a = 12.91, b = 11.48, c = 4.69, Z = 4; beta = 100.6° V = 683.23 Den(Calc)= 3.24
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.874(1), 2.204(0.9), 4.29(0.9),

Physical Properties of Papagoite

Help on Cleavage: Cleavage: {100} Imperfect
Help on Color: Color: Light blue.
Help on Density: Density: 3.25
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Cryptocrystalline - Occurs as crystals too small to distinguish with the naked eye.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Hardness: Hardness: 5-5.5 - Apatite-Knife Blade
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light blue

Optical Properties of Papagoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.103 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.1 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1975,KPDmeas= 0.1969,KC= 0.2195
Ncalc = 1.71
Help on Optical Data: Optical Data: Biaxial (-), a=1.607, b=1.641, g=1.672, bire=0.0650, 2V(Calc)=84, 2V(Meas)=78.

Calculated Properties of Papagoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.20 gm/cc
note: Specific Gravity of Papagoite =3.24 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0082291895
Boson Index = 0.9917708105
Help on Photoelectric: Photoelectric: PEPapagoite = 10.51 barns/electron
U=PEPapagoite x rElectron Density= 33.66 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Papagoite is Not Radioactive

Papagoite Classification

Help on  Dana Class: Dana Class: (60)Cyclosilicate Four-Membered Rings
  (60.01)as Titanosilicates
  (60.01.04)Dana Group Papagoite CaCuAlSi2O6(OH)3 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.CE.05 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CE -[Si4O12]8- 4-membered single rings (vierer-Einfachringe),
09.CE.05 Papagoite CaCuAlSi2O6(OH)3 C 2/m 2/m

Other Papagoite Information

Help on References: References: NAME( Duda&Rejl90) 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 Papagoite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Glendale Community College
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info

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Dana No: Strunz No: 09.CE.05





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