Danbaite Mineral Data

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General Danbaite Information

Chemical Formula:

CuZn2

Composition:

Molecular Weight = 194.33 gm

Zinc 67.30 % Zn

Copper 32.70 % Cu

______

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

Cell Dimensions:

a = 7.762, Z = 12; V = 467.65 Den(Calc)= 8.28

Crystal System:

IsometricSpace Group: Unk

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.0803(1), 1.3732(0.4), 2.1574(0.4),

Physical Properties of Danbaite

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

Optical Properties of Danbaite

RL Color:

White with a milky blue tint, slightly yellowish compared to chromium.

Calculated Properties of Danbaite

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:

PE_Danbaite= 50.00 barns/electron
U=PE_Danbaite x rElectron Density= 379.25 barns/cc.

Radioactivity:

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

Danbaite Classification

Dana Class:

01.01.06.01 (01)Native Elements

(01.01)with metallic elements other than the platinum group

(01.01.06)Dana Group

01.01.06.00 Brass* Cu3Zn2 Unk Cubic

01.01.06.01 Danbaite CuZn2 Unk Cubic

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)

01.A - Metals and Intermetallic Alloys

01.AB -Zinc-brass family (Cu-Zn alloys)

01.AB.10b Danbaite CuZn2 Unk Cubic

01.AB.10b Tongxinite* Cu2Zn Unk Cubic

Other Danbaite Information

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: