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Mitridatite Mineral Data

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General Mitridatite Information

Help on Chemical  Formula: Chemical Formula: Ca2Fe+++3(PO4)3O2•3(H2O)
Help on Composition: Composition: Molecular Weight = 634.66 gm
   Calcium     12.63 %  Ca   17.67 % CaO
   Iron        26.40 %  Fe   37.74 % Fe2O3
   Phosphorus  14.64 %  P    33.55 % P2O5
   Hydrogen     0.95 %  H     8.52 % H2O
   Oxygen      45.38 %  O
              ______        ______ 
              100.00 %       97.48 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Fe3+3(PO4)3O3•3(H2O)
Help on Environment: Environment: Sedimentary oolitic iron ores.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1914
Help on Locality: Locality: Mithridat Hill, Kerch, Crimea, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Mitridatite + Pronunciation Say MITRIDATITE
Help on Synonym: Synonym: ICSD 1017
  PDF 26-1057
 

Mitridatite Image

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  Mitridatite

Comments: Dark brown crystals of mitridatite on whitlockite.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Mitridatite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9054:1:0.5813
Help on Cell Dimensions: Cell Dimensions: a = 17.52, b = 19.35, c = 11.25, Z = 12; beta = 95.92° V = 3,793.55 Den(Calc)= 3.33
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: A2/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.64(1), 2.721(0.7), 5.55(0.6),
 

Physical Properties of Mitridatite

Help on Cleavage: Cleavage: {100} Good
Help on Color: Color: Bronze red, Brown green, Green, Greenish yellow, Yellow brown.
Help on Density: Density: 3.24
Help on Diaphaneity: Diaphaneity: Translucent to Opaque
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Nodular - Tuberose forms having irregular protuberances over the surface.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Adamantine - Resinous
Help on Streak: Streak: olive green
 

Optical Properties of Mitridatite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.038 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.01 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2487,KPDmeas= 0.2557,KC= 0.2463
Ncalc = 1.8 - 1.82
Help on Optical Data: Optical Data: Biaxial (-), a=1.785, b=1.85, g=1.85, bire=0.0650, 2V(Calc)=0, 2V(Meas)=5-10.
 

Calculated Properties of Mitridatite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.28 gm/cc
note: Specific Gravity of Mitridatite =3.33 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0059862776
Boson Index = 0.9940137224
Help on Photoelectric: Photoelectric: PEMitridatite = 10.10 barns/electron
U=PEMitridatite x rElectron Density= 33.16 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mitridatite is Not Radioactive
 

Mitridatite Classification

Help on  Dana Class: Dana Class: 42.08.04.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.08)where (AB)7 (XO4)4 Zq � x(H2O)
  (42.08.04)Mitridatite Group
 
42.08.04.01 Mitridatite Ca2Fe3(PO4)3O2•3(H2O) A2/a 2/m
 
42.08.04.02 Robertsite Ca6Mn9(PO4)9O6(H2O)6•3(H2O) A2/a 2/m
 
42.08.04.03 Arseniosiderite Ca2Fe3(AsO4)3O2•3(H2O) A2/a 2/m
Help on  Strunz Class: Strunz Class: 08.DH.30 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DH -With large and medium-sized cations, (OH, etc.):RO4 < 1:1
 
08.DH.30 Arseniosiderite Ca2Fe3(AsO4)3O2•3(H2O) A2/a 2/m
 
08.DH.30 Pararobertsite Ca2Mn3(PO4)3O2•3(H2O) P 21/c 2/m
 
08.DH.30 Kolfanite Ca2Fe3O2(AsO4)3•2(H2O) A2/a 2/m
 
08.DH.30 Lunokite (Mn,Ca)(Mg,Fe,Mn)Al(PO4)2(OH)•4(H2O) P bca 2/m 2/m 2/m
 
08.DH.30 Robertsite Ca6Mn9(PO4)9O6(H2O)6•3(H2O) A2/a 2/m
 
08.DH.30 Mitridatite Ca2Fe3(PO4)3O2•3(H2O) A2/a 2/m
 
08.DH.30 Sailaufite! Ca2Mn3O2(AsO4)2(CO3)•3(H2O) Cm m
 

Other Mitridatite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Mitridatite :
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 Mitridatite Specimen Label here :

Mitridatite

Ca2Fe+++3(PO4)3O2•3(H2O)
Dana No: 42.08.04.01 Strunz No: 08.DH.30
Locality:

 

Notes:

 

 
   
 


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