General Information
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 Chemical Formula: |
K3Fe10S14 |
| Composition: |
Molecular Weight = 1,124.69 gm) |
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| Empirical Formula: |
K3Fe2+10S14 |
| IMA Status: |
Approved IMA 1978 |
| Locality: |
Coyote Peak diatreme, 16 miles SW of Orick, Humboldt Co. California. |
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Classification
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| Dana Class: |
2.9.19.1 (2)Sulfides - Including Selenides and Tellurides |
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(2.9)where Am Bn Xp, with (m+n):p=1:1 |
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(2.9.19)Dana Group |
| Strunz Class: |
II/F.07-20 II - Sulfides and sulphosalts |
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II/F - Sulfides with nonmetallic properties, Alkalisulfides |
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II/F.07 - Rasvumite - Bartonite series |
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Crystallography
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| Axial Ratios: |
a:c = 1:1.9787 |
| Cell Dimensions: |
a = 10.424, c = 20.626, Z = 2; V = 2,241.22 Den(Calc)= 1.67 |
| Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: I4/mmm |
| X Ray Diffraction: |
By Intensity(I/Io): 2.998(1) 5.99(0.77) 1.833(0.4) |
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Physical Properties
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| Cleavage: |
[112] Distinct |
| Color: |
black brown. |
| Density: |
3.305 |
| Diaphaniety: |
Opaque |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
| Streak: |
black |
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Other Information
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| References: |
NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
| See Also: |
Links to other databases for Bartonite :
1 -American Mineralogist Crystal Structure Database
2 -Athena Mineralogy
3 - EUROmin Project
4 -MinDat.org Location Data
5 -MinMax
6 -WWW-MINCRYST
7 -École des Mines de Paris
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Pronunciation Guide 
