| Scainiite Mineral Data |
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- 3.8.16.1 Scainiite ! Pb14Sb30S54O5 C 2/m 2/m
- II/E.26-10 Zinkenite Pb9Sb22S42 P 63 6
- II/E.26-20 Scainiite Pb14Sb30S54O5 C 2/m 2/m
General Scainiite Information |
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 Chemical Formula: |
Pb14Sb30S54O5 | ||
| Composition: |
Molecular Weight = 8,571.79 gm | ||
| Antimony 41.90 % Sb | |||
| Lead 36.98 % Pb | |||
| Sulfur 20.46 % S | |||
| Oxygen 0.65 % O | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Pb15.3Sb29.5S54.7O3.5 | ||
| Environment: |
In calcite veins which cut an iron and barium ore body. | ||
| IMA Status: |
Approved IMA 1996 (Dana # Added) | ||
| Locality: |
The Buca della Vena mine, southern Apuan Alps, near Pietrasanta, norhtern Tuscany, Italy. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Dr. Giuseppe Scaini (1906-1988), engineer and skillful investigator of systematic and Italian mineralogy. | ||
| Synonym: |
ICSD 90042 | ||
| IMA1996-014 | |||
Scainiite Image | |||
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Images:
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Scainiite Crystallography |
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| Axial Ratios: |
a:b:c =6.3814:1:2.9836 | ||
| Cell Dimensions: |
a = 51.996, b = 8.148, c = 24.311, Z = 4; beta = 104.09° V = 9,989.81 Den(Calc)= 5.70 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | ||
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Crystal Structure:
Mouse |
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Physical Properties of Scainiite |
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| Color: |
Bluish black. | ||
| Diaphaniety: |
Opaque | ||
| Fracture: |
Brittle - Irregular - Very brittle fracture producing irregular fragments | ||
| Habit: |
Acicular - Occurs as needle-like crystals. | ||
| Luster: |
Metallic | ||
| Streak: |
probably black | ||
Calculated Properties of Scainiite |
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| Electron Density: |
relectron=4.87 gm/cc |
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| Fermion Index |
Fermion Index = 0.08327 Boson Index = 0.91673 |
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| Photoelectric: |
PEScainiite = 809.84 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Scainiite is Not Radioactive |
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Scainiite Classification |
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| Dana Class: |
3.8.16.1 (3)Sulfides - Sulfosalts | ||
| (3.8)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |||
| (3.8.16)Dana Group | |||
| Strunz Class: |
II/E.26-20 II - Sulfides and sulphosalts | ||
| II/E - Sulfosalts (S : As,Sb,Bi = x) Lead-Sulfosalts with Arsen and Antimon x = 2.3 - 1.8 | |||
| II/E.26 - Zinkenite series | |||
Other Scainiite Information |
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| References: |
NAME( MinRec, v 32, p 220) PHYS. PROP.(MinRec, v 32, p 220) | ||
| See Also: |
Links to other databases for Scainiite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas Search for Scainiite using: Visit our Advertisers for Scainiite : Translate Scainiite Mineral Data : Ask about Scainiite here : Print or Cut-and-Paste your Scainiite Specimen Label here :
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