Paganoite Mineral Data (original) (raw)
General Paganoite Information
Chemical Formula:
(Ni,Co)BiAsO5
Composition:
Molecular Weight = 420.26 gm
Cobalt 1.54 % Co 1.96 % CoO
Nickel 12.01 % Ni 15.28 % NiO
Bismuth 49.23 % Bi 54.88 % Bi2O3
Arsenic 18.18 % As 27.89 % As2O5
Oxygen 19.03 % O
______ ______
100.00 % 100.02 % = TOTAL OXIDE
Empirical Formula:
Ni0.86Co0.11Bi0.99As1.02O5
Environment:
Secondary arsenate in a quartz matrix veined by nickeline and bismuth.
IMA Status:
Approved IMA 2001 (Dana # Added)
Locality:
Johanngeorgenstadt, Saxony, Germany. Link to MinDat.org Location Data.
Name Origin:
Named for Renato (1938-) and Adriana (1939-) Pagano, amateur mineralogists from Cinisello, Milan, Italy.
Synonym:
IMA1999-043
Paganoite Image
Images:
 |
Paganoite Comments: Scanning electron microscope photomicrograph of blocky subhedral to euhedral crystals of paganoite and more fine-grained mottled material that is aerugite. (Eur. J. Mineral, 13:169). Location: Johanngeorgenstadt, Saxony, Germany, mined in the mid-1800’s, nothing was preserved of its previous history until it was located in 1981 by the American mineral dealer David New in the back of a drawer in an old mineral shop in Germany..Scale: See Image. © Eur. J. Mineral |
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Paganoite Crystallography
Axial Ratios:
a:b:c =0.9829:1:0.7664
Cell Dimensions:
a = 6.7127, b = 6.8293, c = 5.2345, Z = 2; alpha = 107.625°, beta = 95.409°, gamma = 111.158° V = 212.33 Den(Calc)= 6.57
Crystal System:
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
X Ray Diffraction:
By Intensity(I/Io): 3.233(1)(011), 5.943(1)(010), 3.067(0.6)(021),2.116(0.5)(112,112,031,3.047(0.5)(200), 1.659(0.4), 2.095(0.4),
Crystal Structure:
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| | Roberts A C , Burns P C , Gault R A , Criddle A J , Feinglos M N , Stirling J A R , European Journal of Mineralogy , 13 (2001) p.167-175, Paganoite, NiBiAsO5, a new mineral from Johanngeorgenstadt,, Saxony, Germany: description and crystal structure, Locality: Johanngeorgenstadt, Saxony, Germany | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
Physical Properties of Paganoite
Cleavage:
None
Color:
Orange, Golden brown.
Diaphaneity:
Transparent to Translucent
Fracture:
Brittle - Uneven - Very brittle fracture producing uneven fragments.
Habit:
Aggregates - Made of numerous individual crystals or clusters.
Habit:
Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Hardness:
1-2 - Between Talc and Gypsum
Luster:
Adamantine
Streak:
pale orange brown
Optical Properties of Paganoite
Gladstone-Dale:
CI calc= -0.007 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1607,KC= 0.1596
Ncalc = 2.07
Optical Data:
Biaxial (?), a=2.07, g=2.09, bire=0.0200
RL Bireflectance:
None.
RL Color:
Gray.
RL Pleochroism:
None.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Paganoite in Air
| λ | R1 | R 2 |  |
∑ R1(λ) | ∑ R2(λ) |
|---|---|---|---|---|---|
| 400 nm | 13.80 | 14.00 |  |
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| 420 nm | 13.35 | 13.60 |  |
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| 440 nm | 13.05 | 13.30 |  |
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| 460 nm | 12.90 | 13.20 |  |
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| 470 nm | 12.85 | 13.10 |  |
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| 480 nm | 12.75 | 13.00 |  |
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| 500 nm | 12.60 | 12.85 |  |
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| 520 nm | 12.50 | 12.70 |  |
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| 540 nm | 12.40 | 12.65 |  |
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| 546 nm | 12.35 | 12.60 |  |
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| 560 nm | 12.25 | 12.55 |  |
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| 580 nm | 12.20 | 12.50 |  |
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| 589 nm | 12.15 | 12.50 |  |
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| 600 nm | 12.10 | 12.45 |  |
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| 620 nm | 12.15 | 12.40 |  |
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| 640 nm | 12.10 | 12.40 |  |
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| 650 nm | 12.00 | 12.35 |  |
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| 660 nm | 12.00 | 12.30 |  |
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| 680 nm | 11.95 | 12.30 |  |
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| 700 nm | 11.95 | 12.35 |  |
Standardized Intensity (100%) Reflection Spectra of Paganoite in Oil
| λ | R1 | R 2 | |
∑ R1(λ) | ∑ R2(λ) |
|---|---|---|---|---|---|
| 400 nm | 3.27 | 3.38 | |
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| 420 nm | 3.09 | 3.24 | |
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| 440 nm | 2.94 | 3.12 | |
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| 460 nm | 2.88 | 3.02 | |
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| 470 nm | 2.84 | 2.99 | |
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| 480 nm | 2.80 | 2.95 | |
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| 500 nm | 2.74 | 2.91 | |
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| 520 nm | 2.69 | 2.88 | |
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| 540 nm | 2.64 | 2.82 | |
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| 546 nm | 2.63 | 2.80 | |
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| 560 nm | 2.61 | 2.79 | |
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| 580 nm | 2.58 | 2.78 | |
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| 589 nm | 2.57 | 2.77 | |
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| 600 nm | 2.56 | 2.76 | |
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| 620 nm | 2.57 | 2.77 | |
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| 640 nm | 2.54 | 2.74 | |
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| 650 nm | 2.52 | 2.73 | |
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| 660 nm | 2.50 | 2.72 | |
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| 680 nm | 2.48 | 2.72 | |
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| 700 nm | 2.48 | 2.73 | |
Calculated Relative Intensity Colors of Paganoite in Air
| RelativeIntensity | 0% | 80% | 100% | 160% | 240% | 320% | 400% | 480% | 560% | 640% | 720% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| R1 | |||||||||||
| R2 |
Calculated Relative Intensity Colors of Paganoite in Oil
| RelativeIntensity | 0% | 100% | 200% | 300% | 400% | 500% | 600% | 700% | 800% | 900% | 1000% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| R1 | |||||||||||
| R2 |
Calculated Properties of Paganoite
Electron Density:
Bulk Density (Electron Density)=5.85 gm/cc
note: Specific Gravity of Paganoite =6.72 gm/cc.
Fermion Index:
Fermion Index = 0.0014489829
Boson Index = 0.9985510171
Photoelectric:
PEPaganoite = 929.75 barns/electron
U=PEPaganoite x rElectron Density=5,437.64 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Paganoite is Not Radioactive
Paganoite Classification
Dana Class:
38.05.13.01 (38)Anhydrous Phosphates, etc
(38.05)with miscellaneous formulae
(38.05.13)Dana Group
38.05.13.01 Paganoite! (Ni,Co)BiAsO5 P1 1
Strunz Class:
08.BH.50 08 - PHOSPHATES, ARSENATES, VANADATES
08.B - Phosphates, etc. with Additional Anions, without H2O
08.BH -With medium-sized and large cations, (OH,etc.):RO4 = 1:1
08.BH.50 Paganoite! (Ni,Co)BiAsO5 P1 1
Other Paganoite Information
References:
NAME( AmMin, v 86, p 939) PHYS. PROP.(AmMin, v 86, p 939) OPTIC PROP.(EurJMin, 13:170)
See Also:
Links to other databases for Paganoite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Ask about Paganoite here :
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Print or Cut-and-Paste your Paganoite Specimen Label here :
Paganoite
(Ni,Co)BiAsO5
Dana No: 38.05.13.01 Strunz No: 08.BH.50
Locality:
Notes: