Monimolite Mineral Data + 
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- 44.1.1.1 Stibiconite SbSb2O6(OH) F d3m 4/m 3 2/m
- 44.1.1.2 Bindheimite Pb2Sb2O6(O,OH) F d3m 4/m 3 2/m
- 44.1.1.3 Romeite (Ca,Fe,Mn,Na)2(Sb,Ti)2O6(O,OH,F) F d3m 4/m 3 2/m
- 44.1.1.3a Lewisite! (Ca,Fe,Na)2(Sb,Ti)2O7 F d3m 4/m 3 2/m
- 44.1.1.4 Monimolite (Pb,Ca)2Sb2O7 F d3m 4/m 3 2/m
- 44.1.1.5 Stetefeldtite Ag2Sb2O6(O,OH) F d3m 4/m 3 2/m
- 44.1.1.6 Bismutostibiconite Bi(Sb,Fe)2O7 F d3m 4/m 3 2/m
- 44.1.1.7 Partzite Cu2Sb2(O,OH)7(?) F d3m 4/m 3 2/m
- IV/C.13-10 Monimolite (Pb,Ca)2Sb2O7 F d3m 4/m 3 2/m
- IV/C.13-20 Jixianite Pb(W,Fe)2(O,OH)7 F d3m 4/m 3 2/m
General Monimolite Information |
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 Chemical Formula: |
(Pb,Ca)2Sb2O7 | ||
| Composition: |
Molecular Weight = 644.55 gm | ||
| Calcium 4.66 % Ca 6.53 % CaO | |||
| Antimony 37.78 % Sb 45.22 % Sb2O3 | |||
| Lead 40.18 % Pb 43.29 % PbO | |||
| Oxygen 17.38 % O | |||
| ______ ______ | |||
| 100.00 % 95.04 % = TOTAL OXIDE | |||
| Empirical Formula: |
Pb1.25Ca0.75Sb2O7 | ||
| IMA Status: |
Valid Species (Pre-IMA) 1865 | ||
| Locality: |
Harstig mine, Varmland, Sweden. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named from the Greek for "stable," because it decomposed chemically with great difficulty. | ||
Monimolite Image | |||
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Images:
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Monimolite Crystallography |
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| Cell Dimensions: |
a = 10.47, Z = 8; V = 1,147.73 Den(Calc)= 7.46 | ||
| Crystal System: |
Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F d3m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.48(1), 2.65(0.4), 5.8(0.3), | ||
Physical Properties of Monimolite |
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| Cleavage: |
[111] Indistinct, [111] Indistinct, [111] Indistinct | ||
| Color: |
Gray green, Yellow, Dark brown, Orange. | ||
| Density: |
5.94 - 7.29, Average = 6.61 | ||
| Diaphaniety: |
Translucent to Opaque | ||
| Fracture: |
Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments. | ||
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. | ||
| Hardness: |
4.5-6 | ||
| Luster: |
Adamantine - Greasy | ||
| Streak: |
yellow | ||
Optical Properties of Monimolite |
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| Gladstone-Dale: |
CI meas= 0.017 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.129 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1421,KPDmeas= 0.1602,KC= 0.1631 |
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| Optical Data: |
Isotropic, n=2.06. | ||
Calculated Properties of Monimolite |
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| Electron Density: |
relectron=5.65 gm/cc |
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| Fermion Index |
Fermion Index = 0.08895 Boson Index = 0.91105 |
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| Photoelectric: |
PEMonimolite = 852.23 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Monimolite is Not Radioactive |
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Monimolite Classification |
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| Dana Class: |
44.1.1.4 (44)Antimonates | ||
| (44.1)(A)2 (X2 O6) (O,OH,F) | |||
| (44.1.1)Dana Group | |||
| Strunz Class: |
IV/C.13-10 IV - Oxides | ||
| IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds) | |||
| IV/C.13 - Stibiconite group, Monimolite - Jixianite series | |||
Other Monimolite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Monimolite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Monimolite using: Visit our Advertisers for Monimolite : Translate Monimolite Mineral Data : Ask about Monimolite here : Print or Cut-and-Paste your Monimolite Specimen Label here :
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