Papagoite Mineral Data

General Papagoite Information

Chemical Formula:

CaCuAlSi2O6(OH)3

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

Empirical Formula:

CaCuAlSi₂O₆(OH)₃

Environment:

Secondary mineral.

IMA Status:

Approved IMA 1960

Locality:

Ajo mine, Poma Co., Arizona. Link to MinDat.org Location Data.

Name Origin:

Named after the papago indian tribe, Arizona, USA.

Name Pronunciation:

Papagoite + Pronunciation

Synonym:

ICSD 68187

PDF 13-372

Papagoite Image

Images:

Papagoite

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

Axial Ratios:

a:b:c =1.1245:1:0.4085

Cell Dimensions:

a = 12.91, b = 11.48, c = 4.69, Z = 4; beta = 100.6° V = 683.23 Den(Calc)= 3.24

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/I_o): 2.874(1), 2.204(0.9), 4.29(0.9),

Physical Properties of Papagoite

Cleavage:

{100} Imperfect

Color:

Light blue.

Density:

3.25

Diaphaneity:

Transparent to translucent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Cryptocrystalline - Occurs as crystals too small to distinguish with the naked eye.

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Hardness:

5-5.5 - Apatite-Knife Blade

Luster:

Vitreous (Glassy)

Streak:

light blue

Optical Properties of Papagoite

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

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

Electron Density:

Bulk Density (Electron Density)=3.20 gm/cc
note: Specific Gravity of Papagoite =3.24 gm/cc.

Fermion Index:

Fermion Index = 0.0082291895
Boson Index = 0.9917708105

Photoelectric:

PE_Papagoite= 10.51 barns/electron
U=PE_Papagoite x rElectron Density= 33.66 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Papagoite is Not Radioactive

Papagoite Classification

Dana Class:

60.01.04.01 (60)Cyclosilicate Four-Membered Rings

(60.01)as Titanosilicates

(60.01.04)Dana Group

60.01.04.01 Papagoite CaCuAlSi2O6(OH)3 C 2/m 2/m

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

References:

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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
17 - WWW-MINCRYST

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Print or Cut-and-Paste your Papagoite Specimen Label here :

Papagoite

CaCuAlSi2O6(OH)3
Dana No: 60.01.04.01 Strunz No: 09.CE.05
Locality:

Notes:

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