Pitticite Mineral Data + 
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- 43.5.3.1 Pitticite Hydrousferricarsenatesulfate(Fe,AsO4,SO4,H2O) None
- 43.5.3.2 Zykaite Fe4(AsO4)3(SO4)(OH)·15(H2O) Unk Ortho
- VII/D.05-10 Pitticite Hydrousferricarsenatesulfate(Fe,AsO4,SO4,H2O) None
- VII/D.05-20 Diadochite Fe2(PO4)(SO4)(OH)·6(H2O) P1 1
- VII/D.05-30 Sarmientite Fe2(AsO4)(SO4)(OH)·5(H2O) P 21/c 2/m
- VII/D.05-40 Bukovskyite Fe2(AsO4)(SO4)(OH)·7(H2O) P1 or P1 Tri
- VII/D.05-50 Tooeleite Fe(8-2x)[(As(1-x),S(x))O4]6·5(H2O) Pbcm,Pbc21 Ortho
- VII/D.05-60 Zykaite Fe4(AsO4)3(SO4)(OH)·15(H2O) Unk Ortho
General Pitticite Information |
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 Chemical Formula: |
Hydrous ferric arsenate sulfate (Fe, AsO4, SO4, H2O) | ||
| Composition: |
Molecular Weight = 364.69 gm | ||
| Iron 30.63 % Fe 43.79 % Fe2O3 | |||
| Arsenic 20.54 % As 31.51 % As2O5 | |||
| Hydrogen 0.55 % H 4.94 % H2O | |||
| Sulfur 8.79 % S 21.95 % SO3 | |||
| Oxygen 39.48 % O | |||
| ______ ______ | |||
| 100.00 % 102.19 % = TOTAL OXIDE | |||
| Empirical Formula: |
Fe3+2(AsO4)(SO4)·(H2O) | ||
| Environment: |
Late secondary mineral formed by oxidation of earlier arsenic-bearing species, may be deposited by mine and spring waters. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1813 | ||
| Locality: |
Frieber, Schneeberg, Schwarzenberg, Johanngeorgenstadt, Marienber, and other districts in Saxony, Germany. Link to MinDat.org Location Data. | ||
| Name Origin: |
From the Greek for "pitch", for its typical resinous appearance. | ||
Pitticite Image | |||
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Images:
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Pitticite Crystallography |
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| Crystal System: |
Amorphous- No Crystals | ||
Physical Properties of Pitticite |
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| Cleavage: |
None | ||
| Color: |
Gray, Gray white, Yellow, Yellow brown, White. | ||
| Density: |
2.5 | ||
| Diaphaniety: |
Transparent to Opaque | ||
| Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | ||
| Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. | ||
| Habit: |
Reniform - "Kidney like" in shape (e.g.. hematite). | ||
| Hardness: |
2-3 - Gypsum-Calcite | ||
| Luminescence: |
Non-fluorescent. | ||
| Luster: |
Vitreous - Greasy | ||
| Streak: |
yellow white | ||
Optical Properties of Pitticite |
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| Gladstone-Dale: |
CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC) KPDmeas= 0.2491,KC= 0.2446 |
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| Optical Data: |
Biaxial (?), a=1.61-1.63, b=1.616-1.635, | ||
Calculated Properties of Pitticite |
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| Electron Density: |
relectron=2.40 gm/cc |
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| Fermion Index |
Fermion Index = 0.00734 Boson Index = 0.99266 |
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| Photoelectric: |
PEPitticite = 23.71 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Pitticite is Not Radioactive |
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Pitticite Classification |
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| Dana Class: |
43.5.3.1 (43)Compound Phosphates, etc. | ||
| (43.5)(Hydrated Compound Anions With Hydroxyl or Halogen) | |||
| (43.5.3)Dana Group | |||
| Strunz Class: |
VII/D.05-10 VII - Phosphates, Arsenates and Vanadates | ||
| VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe | |||
| VII/D.05 - Pitticite - Zykaite series | |||
Other Pitticite Information |
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| References: |
NAME( AntBidBlaNic4) PHYS. PROP.(Dana) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Pitticite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 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 -École des Mines de Paris Search for Pitticite using: Visit our Advertisers for Pitticite : Translate Pitticite Mineral Data : Ask about Pitticite here : Print or Cut-and-Paste your Pitticite Specimen Label here :
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