Minium Mineral Data + 
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- 7.2.8.1 Minium Pb2PbO4 P 41/mbc 4/m 2/m 2/m
- IV/B.06-10 Trippkeite CuAs2O4 P 41/mbc 4/m 2/m 2/m
- IV/B.06-15 Kusachiite CuBi2O4 P 4/ncc 4/m 2/m 2/m
- IV/B.06-20 Schafarzikite FeSb2O4 P 41/mbc 4/m 2/m 2/m
- IV/B.06-30 Versiliaite Fe4Fe8Sb12O23S2 Pbam ? 2/m 2/m 2/m
- IV/B.06-40 Apuanite FeFe4Sb4O12S P 41/mbc 4/m 2/m 2/m
- IV/B.06-50 Minium Pb2PbO4 P 41/mbc 4/m 2/m 2/m
General Minium Information |
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 Chemical Formula: |
Pb++2Pb++++O4 | ||
| Composition: |
Molecular Weight = 685.60 gm | ||
| Lead 90.67 % Pb 65.11 % PbO / 34.89 % PbO2 | |||
| Oxygen 9.33 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Pb2PbO4 | ||
| Environment: |
Oxidized portions of lead ore deposits. | ||
| IMA Status: |
Valid Species (Pre-IMA) Prehistoric | ||
| Locality: |
The river Minius located in NW Spain. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named after its locality. | ||
| Synonym: |
ICSD 22325 | ||
| PDF 41-1494 | |||
| Red oxide of lead | |||
Minium Image | |||
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Images:
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Minium Crystallography |
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| Axial Ratios: |
a:c = 1:0.74475 | ||
| Cell Dimensions: |
a = 8.815, c = 6.565, Z = 4; V = 510.13 Den(Calc)= 8.93 | ||
| Crystal System: |
Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 41/mbc | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.38(1), 2.903(0.5), 2.787(0.45),1.76(0.3), 2.63(0.3), 1.91(0.2), 3.12(0.2), 6.23(0.2), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Minium |
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| Cleavage: |
[110] Perfect, [010] Perfect | ||
| Color: |
Light red, Brownish red, Vivid red, Yellowish red. | ||
| Density: |
8.2 | ||
| Diaphaniety: |
Subtransparent to opaque | ||
| Fracture: |
Earthy - Dull, clay-like fractures with no visible crystalline affinities, (e.g. howlite). | ||
| Habit: |
Massive - Granular - Common texture observed in granite and other igneous rock. | ||
| Habit: |
Scaly - Morphology like fish scales. | ||
| Habit: |
Striated - Parallel lines on crystal surface or cleavage face. | ||
| Hardness: |
2.5-3 - Finger Nail-Calcite | ||
| Luminescence: |
None. | ||
| Luster: |
Adamantine | ||
| Magnetism: |
Nonmagnetic | ||
| Streak: |
yellowish orange | ||
Optical Properties of Minium |
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| Dichroism (w): |
nearly colorless. | ||
| Optical Data: |
Uniaxial (?), a=2.4. | ||
Calculated Properties of Minium |
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| Electron Density: |
relectron=7.24 gm/cc |
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| Fermion Index |
Fermion Index = 0.20041 Boson Index = 0.79959 |
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| Photoelectric: |
PEMinium =1,716.22 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Minium is Not Radioactive |
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Minium Classification |
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| Dana Class: |
7.2.8.1 (7)Multiple Oxides | ||
| (7.2)(A+ B++)2 X4 Spinel group | |||
| (7.2.8)Dana Group | |||
| Strunz Class: |
IV/B.06-50 IV - Oxides | ||
| IV/B - Oxides with metal : oxygen = 3:4 (spinel type M3O4 and related) | |||
| IV/B.06 - Trippkeite - Minium series | |||
Other Minium Information |
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| References: |
NAME( Duda&Rejl90) PHYS. PROP.(Dana8) OPTIC PROP.(Ford32) | ||
| See Also: |
Links to other databases for Minium : 1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 -Athena 4 - Crocoite.com Mineral Locations 5 - EUROmin Project 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 - Minerals of Wisconsin 14 -QUT Mineral Atlas 15 - WWW-MINCRYST 16 -École des Mines de Paris Search for Minium using: Visit our Advertisers for Minium : Translate Minium Mineral Data : Ask about Minium here : Print or Cut-and-Paste your Minium Specimen Label here :
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