Papagoite Mineral Data

Papagoite Mineral Data +

[Register] [Auction Rules] [Current Listing] [About Us] [Site Map]
e-Rocks.com, auction and sales venue for all rock and mineral enthusiasts
Our mission is to provide an online centre for Buyers and Sellers with reliable service and support
Brought to you by Thames Valley Minerals

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.

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 - PrismaticH-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),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Groat L A , Hawthorne F C , Mineralogy and Petrology , 37 (1987) p.89-96, Refinement of the structure of papagoite, CaCuAlSi2O6(OH)3, Locality: Ajo, Pima County, Arizona, USA, Note: U(1,1)(O3) changed from .0068 to match reported Uiso

Physical Properties of Papagoite

Cleavage:

[100] Imperfect

Color:

Light blue.

Density:

3.25

Diaphaniety:

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

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:

r_electron=3.20 gm/cc
note: r_Papagoite=3.24 gm/cc.

Fermion Index

Fermion Index = 0.00822
Boson Index = 0.99178

Photoelectric:

PE_Papagoite= 10.51 barns/electron
U=PE_Papagoite x r_electron= 33.66 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Papagoite is Not Radioactive

Papagoite Classification

Dana Class:

60.1.4.1 (60)Cyclosilicate Four-Membered Rings

(60.1)as Titanosilicates

(60.1.4)Dana Group

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

Strunz Class:

VIII/E.06-50 VIII - Silicates

VIII/E - Cyklosilicates, quadruplet rings [Si4O11]8-

VIII/E.06 - Axinite group, Magnesio-axinite - Ashburtonite series

VIII/E.06-10 Magnesio-axinite Ca2MgAl2BO3Si4O12(OH) P1 1

VIII/E.06-20 Ferroaxinite Ca2FeAl2BO3Si4O12(OH) P1 1

VIII/E.06-30 Manganaxinite Ca2MnAl2BO3Si4O12(OH) P1 1

VIII/E.06-40 Tinzenite (Ca,Mn,Fe)3Al2BO3Si4O12(OH) P1 1

VIII/E.06-50 Papagoite CaCuAlSi2O6(OH)3 C 2/m 2/m

VIII/E.06-60 Ashburtonite HPb4Cu4Si4O12(HCO3)4(OH)4Cl I 4/m 4/m

Other Papagoite Information

References:

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

Search for Papagoite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Papagoite :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Papagoite Mineral Data :

Ask about Papagoite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Papagoite

CaCuAlSi2O6(OH)3
Dana No: 60.1.4.1 Strunz No: VIII/E.06-50
Locality:

Notes: