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Danbaite Mineral Data
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General Danbaite Information
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Chemical Formula: |
CuZn2 |
Composition: |
Molecular Weight = 194.33 gm |
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Zinc 67.30 % Zn |
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Copper 32.70 % Cu |
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______ |
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100.00 % |
Empirical Formula: |
CuZn2 |
Environment: |
In a Cu-Ni deposit. |
IMA Status: |
Approved IMA 1983 |
Locality: |
Danba, Sichuan Province, China. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Danbaite |
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Danbaite Crystallography
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Cell Dimensions: |
a = 7.762, Z = 12; V = 467.65 Den(Calc)= 8.28 |
Crystal System: |
Isometric Space Group: Unk |
X Ray Diffraction: |
By Intensity(I/Io): 2.0803(1), 1.3732(0.4), 2.1574(0.4), |
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Physical Properties of Danbaite
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Cleavage: |
None |
Color: |
Gray white, Silver white. |
Density: |
7.36 |
Diaphaneity: |
Opaque |
Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Habit: |
Spherical - Spherical, rounded aggregates. |
Hardness: |
4 - Fluorite |
Luster: |
Metallic |
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Optical Properties of Danbaite
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RL Color: |
White with a milky blue tint, slightly yellowish compared to chromium. |
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Calculated Properties of Danbaite
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Electron Density: |
Bulk Density (Electron Density)=7.58 gm/cc note: Specific Gravity of Danbaite =8.28 gm/cc. |
Fermion Index: |
Fermion Index = 0.02 Boson Index = 0.98 |
Photoelectric: |
PEDanbaite = 50.00 barns/electron U=PEDanbaite x rElectron Density= 379.25 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Danbaite is Not Radioactive |
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Danbaite Classification
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Dana Class: |
01.01.06.01 (01)Native Elements |
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(01.01)with metallic elements other than the platinum group |
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(01.01.06)Dana Group |
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01.01.06.00 Brass* Cu3Zn2 Unk Cubic |
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01.01.06.01 Danbaite CuZn2 Unk Cubic |
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01.01.06.02 Zhanghengite (Cu,Zn,Fe,Al,Cr) I m3m 4/m 3 2/m |
Strunz Class: |
01.AB.10b 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.AB -Zinc-brass family (Cu-Zn alloys) |
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01.AB.10b Danbaite CuZn2 Unk Cubic |
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01.AB.10b Tongxinite* Cu2Zn Unk Cubic |
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Other Danbaite 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 Danbaite :
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 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Print or Cut-and-Paste your Danbaite Specimen Label here :
Danbaite
CuZn2
Dana No: 01.01.06.01 Strunz No: 01.AB.10b
Locality:
Notes:
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