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![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Cupalite Mineral Data
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General Cupalite Information
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Chemical Formula: |
(Cu,Zn)Al |
Composition: |
Molecular Weight = 90.71 gm |
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Aluminum 29.74 % Al |
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Zinc 7.21 % Zn |
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Copper 63.05 % Cu |
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______ |
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100.00 % |
Empirical Formula: |
Cu0.9Zn0.1Al |
Environment: |
In weathered serpentinite. |
IMA Status: |
Approved IMA 1985 |
Locality: |
Listvenitovii River, Koryak Mountains, Kamchatka, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for its composition (Cu, Al). |
Synonym: |
ICSD 40332 |
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PDF 39-1371 |
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Cupalite Crystallography
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Axial Ratios: |
a:b:c =1.6706:1:2.4134 |
Cell Dimensions: |
a = 6.95, b = 4.16, c = 10.04, Z = 10; V = 290.28 Den(Calc)= 5.19 |
Crystal System: |
Orthorhombic Space Group: Unk |
X Ray Diffraction: |
By Intensity(I/Io): 5.07(1), 4.12(0.8), 3.59(0.2), |
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Physical Properties of Cupalite
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Color: |
Steel yellow. |
Diaphaneity: |
Opaque |
Habit: |
Inclusions - Generally found as inclusions in other minerals. |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Hardness: |
4.5 - Between Fluorite and Apatite |
Luster: |
Metallic |
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Optical Properties of Cupalite
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RL Anisotrophism: |
Very weak, from light gray to gray. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Cupalite in Air
λ |
R |
![](../images/Reflect_scale_v.gif) |
∑ R(λ) |
440 nm |
66.80 |
![](../images/440nm.BMP) |
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460 nm |
66.10 |
![](../images/460nm.BMP) |
480 nm |
65.30 |
![](../images/480nm.BMP) |
500 nm |
64.50 |
![](../images/500nm.BMP) |
520 nm |
63.70 |
![](../images/520nm.BMP) |
540 nm |
62.90 |
![](../images/540nm.BMP) |
560 nm |
62.10 |
![](../images/560nm.BMP) |
580 nm |
61.30 |
![](../images/580nm.BMP) |
600 nm |
60.40 |
![](../images/600nm.BMP) |
620 nm |
59.70 |
![](../images/620nm.BMP) |
640 nm |
58.90 |
![](../images/640nm.BMP) |
660 nm |
58.20 |
![](../images/660nm.BMP) |
680 nm |
57.70 |
![](../images/680nm.BMP) |
700 nm |
57.20 |
![](../images/700nm.BMP) |
Calculated Relative Intensity Colors of Cupalite in Air
Relative Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
150% |
R |
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Calculated Properties of Cupalite
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Electron Density: |
Bulk Density (Electron Density)=4.82 gm/cc note: Specific Gravity of Cupalite =5.19 gm/cc. |
Fermion Index: |
Fermion Index = 0.0029554985 Boson Index = 0.9970445015 |
Photoelectric: |
PECupalite = 33.00 barns/electron U=PECupalite x rElectron Density= 158.96 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Cupalite is Not Radioactive |
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Cupalite Classification
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Dana Class: |
01.01.15.01 (01)Native Elements |
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(01.01)with metallic elements other than the platinum group |
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(01.01.15)Dana Group |
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01.01.15.01 Cupalite (Cu,Zn)Al Unk Ortho |
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01.01.15.02 Khatyrkite (Cu,Zn)Al2 I 4/mcm 4/m 2/m 2/m |
Strunz Class: |
01.AA.20 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.A - Metals and Intermetallic Alloys |
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01.AA -Copper-cupalite family |
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01.AA.20 Cupalite (Cu,Zn)Al Unk Ortho |
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Other Cupalite Information
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References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Cupalite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
Search for Cupalite using:
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[Ixquick]
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[Teoma]
[WebCrawler]
[Wikipedia]
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Ask about Cupalite 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
Espaņol
Print or Cut-and-Paste your Cupalite Specimen Label here :
Cupalite
(Cu,Zn)Al
Dana No: 01.01.15.01 Strunz No: 01.AA.20
Locality:
Notes:
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