Mineralogy Database

Pitticite Mineral Data

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General Pitticite Information

Help on Chemical  Formula: Chemical Formula: Hydrous ferric arsenate sulfate (Fe, AsO4, SO4, H2O)
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: Fe3+2(AsO4)(SO4)•(H2O)
Help on Environment: Environment: Late secondary mineral formed by oxidation of earlier arsenic-bearing species, may be deposited by mine and spring waters.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1813
Help on Locality: Locality: Frieber, Schneeberg, Schwarzenberg, Johanngeorgenstadt, Marienber, and other districts in Saxony, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "pitch", for its typical resinous appearance.
Help on Name Pronunciation: Name Pronunciation: Pitticite + Pronunciation Say PITTICITE
 

Pitticite Image

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  Pitticite

Comments: Dark brown to orange-brown massive Pitticite.
Location: Graul, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Pitticite Crystallography

Help on Crystal System: Crystal System: Amorphous- No Crystals
 

Physical Properties of Pitticite

Help on Cleavage: Cleavage: None
Help on Color: Color: Gray, Gray white, Yellow, Yellow brown, White.
Help on Density: Density: 2.5
Help on Diaphaneity: Diaphaneity: Transparent to Opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Reniform - "Kidney like" in shape (e.g.. hematite).
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: yellow white
 

Optical Properties of Pitticite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2491,KC= 0.2446
Ncalc = 1.61
Help on Optical Data: Optical Data: Biaxial (?), a=1.61-1.63, b=1.616-1.635,
 

Calculated Properties of Pitticite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.40 gm/cc
note: Specific Gravity of Pitticite =2.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0073427084
Boson Index = 0.9926572916
Help on Photoelectric: Photoelectric: PEPitticite = 23.71 barns/electron
U=PEPitticite x rElectron Density= 56.88 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Pitticite is Not Radioactive
 

Pitticite Classification

Help on  Dana Class: Dana Class: 43.05.03.01 (43)Compound Phosphates, etc.
  (43.05)(Hydrated Compound Anions With Hydroxyl or Halogen)
  (43.05.03)Pitticite Group
 
43.05.03.01 Pitticite Hydrousferricarsenatesulfate(Fe,AsO4,SO4,H2O) None
 
43.05.03.02 Zykaite Fe4(AsO4)3(SO4)(OH)•15(H2O) Unk Ortho
Help on  Strunz Class: Strunz Class: 08.DB.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DB -With only medium-sized cations, (OH, etc.):RO4 < 1:1
 
08.DB.05 Diadochite Fe2(PO4)(SO4)(OH)•6(H2O) P1 1
 
08.DB.05 Pitticite Hydrousferricarsenatesulfate(Fe,AsO4,SO4,H2O) None
 

Other Pitticite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Dana) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Pitticite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Pitticite Specimen Label here :

Pitticite

Hydrous ferric arsenate sulfate (Fe, AsO4, SO4, H2O)
Dana No: 43.05.03.01 Strunz No: 08.DB.05
Locality:

 

Notes:

 

 
   
 


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