Flinkite Mineral Data + 
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- 41.3.3.1 Flinkite Mn2Mn(AsO4)(OH)4 P nma 2/m 2/m 2/m
- VII/B.15-10 Flinkite Mn2Mn(AsO4)(OH)4 P nma 2/m 2/m 2/m
- VII/B.15-20 Retzian-(La) (Mn,Mg)2(La,Ce,Nd)(AsO4)(OH)4 Pban 2/m 2/m 2/m
- VII/B.15-30 Retzian-(Ce) Mn2Ce(AsO4)(OH)4 Pban 2/m 2/m 2/m
- VII/B.15-40 Retzian-(Nd) Mn2(Nd,Ce,La)(AsO4)(OH)4 Pban 2/m 2/m 2/m
- VII/B.15-45 Raadeite! Mg7(PO4)2(OH)8 P 21/n 2/m
- VII/B.15-50 Allactite Mn7(AsO4)2(OH)8 P 21/a 2/m
General Flinkite Information |
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 Chemical Formula: |
Mn++2Mn+++(AsO4)(OH)4 | ||
| Composition: |
Molecular Weight = 371.76 gm | ||
| Manganese 44.33 % Mn 38.16 % MnO / 21.23 % Mn2O3 | |||
| Arsenic 20.15 % As 30.91 % As2O5 | |||
| Hydrogen 1.08 % H 9.69 % H2O | |||
| Oxygen 34.43 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Mn2+2Mn3+(AsO4)(OH)4 | ||
| IMA Status: |
Valid Species (Pre-IMA) 1889 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 16902 | ||
| PDF 12-400 | |||
Search for Flinkite Images | |||
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Images:
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Flinkite Crystallography |
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| Axial Ratios: |
a:b:c =0.7284:1:0.408 | ||
| Cell Dimensions: |
a = 9.55, b = 13.11, c = 5.35, Z = 4; V = 669.82 Den(Calc)= 3.69 | ||
| Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.662(1), 4.386(1), 4.733(1), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Flinkite |
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| Cleavage: |
None | ||
| Color: |
Green, Greenish brown, Dark greenish brown. | ||
| Density: |
3.78 | ||
| Diaphaniety: |
Transparent | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Hardness: |
4.5 - Between Fluorite and Apatite | ||
| Luster: |
Vitreous - Greasy | ||
Optical Properties of Flinkite |
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| Optical Data: |
Biaxial (+), a=1.783, b=1.801, g=1.834, bire=0.0510 | ||
Calculated Properties of Flinkite |
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| Electron Density: |
relectron=3.49 gm/cc |
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| Fermion Index |
Fermion Index = 0.00016 Boson Index = 0.99984 |
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| Photoelectric: |
PEFlinkite = 25.37 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Flinkite is Not Radioactive |
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Flinkite Classification |
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| Dana Class: |
41.3.3.1 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen | ||
| (41.3)where (A B)3 (XO4) Zq | |||
| (41.3.3)Dana Group | |||
| Strunz Class: |
VII/B.15-10 VII - Phosphates, Arsenates and Vanadates | ||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O,OH, cations of medium size: Mg, Mn, Fe, Cu, Zn, Pseudomalachite group and related compounds | |||
| VII/B.15 - Pseudomalachite group, Flinkite - Allactite series | |||
Other Flinkite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Flinkite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 - Franklin Minerals(Dunn) 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Flinkite using: Visit our Advertisers for Flinkite : Translate Flinkite Mineral Data : Ask about Flinkite here : Print or Cut-and-Paste your Flinkite Specimen Label here :
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