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Fritzscheite Mineral Data

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General Fritzscheite Information

Help on Chemical  Formula: Chemical Formula: Mn(UO2)2[(V,P)O4]2•4(H2O)
Help on Composition: Composition: Molecular Weight = 999.03 gm
   Uranium     47.65 %  U    54.06 % UO2
   Manganese    5.50 %  Mn    7.10 % MnO
   Vanadium     8.67 %  V    15.47 % V2O5
   Phosphorus   0.93 %  P     2.13 % P2O5
   Hydrogen     2.02 %  H    18.03 % H2O
   Oxygen      35.23 %  O
              ______        ______ 
              100.00 %       96.80 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+(UO2)2(VO4)1.7(PO4)0.3•10(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1865
Help on Locality: Locality: Georg Wagsfort mine, Johanngeorgenstadt, Saxony, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Karl Julius Fritzsche (1808-1871), German chemist.
Help on Name Pronunciation: Name Pronunciation: Fritzscheite + Pronunciation Say FRITZSCHEITE
 

Fritzscheite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.2836:1:1.8836
Help on Cell Dimensions: Cell Dimensions: a = 10.59, b = 8.25, c = 15.54, Z = 4; V = 1,357.69 Den(Calc)= 4.89
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam
 

Physical Properties of Fritzscheite

Help on Cleavage: Cleavage: {001} Perfect, {100} Distinct
Help on Color: Color: Red, Reddish brown.
Help on Density: Density: 4.39
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: brownish white
 

Optical Properties of Fritzscheite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.295 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.367 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1176,KPDmeas= 0.131,KC= 0.1859
Ncalc = 1.82 - 1.91
Help on Optical Data: Optical Data: Biaxial (-), b=1.57-1.58, 2V(Meas)=0-25.
 

Calculated Properties of Fritzscheite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.94 gm/cc
note: Specific Gravity of Fritzscheite =4.39 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0038197844
Boson Index = 0.9961802156
Help on Photoelectric: Photoelectric: PEFritzscheite =1,207.21 barns/electron
U=PEFritzscheite x relectron=4,759.43 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,647,724.57 (Gamma Ray American Petroleum Institute Units)
Concentration of Fritzscheite per GRapi unit = 274.14 (PPB)

Fritzscheite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 8.34 ± 2.08 grams of pure Fritzscheite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 833.85 ±208.46 grams of pure Fritzscheite .

Estimated Radioactivity from Fritzscheite - very strong
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Bequerols
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 7.58 cm 85,296,732 2.31E-03 3,647,724.57 1,199.25
100 gm / 3.52 cm 8,529,673 2.31E-04 364,772.46 119.93
10 gm / 1.63 cm 852,967 2.31E-05 36,477.25 11.99
1 gm / 7.58 mm 85,297 2.31E-06 3,647.72 1.20
0.1 gm / 3.52 mm 8,530 2.31E-07 364.77 0.12
0.01 gm / 1.63 mm 853 2.31E-08 36.48 0.01
0.001 gm / 0.76 mm 85 2.31E-09 3.65 0.00

Weight of pure Fritzscheite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.39 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
 

Fritzscheite Classification

Help on  Dana Class: Dana Class: 40.02a.25.01 (40)Hydrated Phosphates, etc
  (40.02a)where A++ (B++)2 (XO4) � x(H2O), containing (UO2)++
  (40.02a.25)Dana Group
 
40.02a.25.01 Fritzscheite Mn(UO2)2[(V,P)O4]2•4(H2O) Pnam 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.HB.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.H - V[5,6] Vanadates
  04.HB -Uranyl Sorovanadates
 
04.HB.15 Curienite Pb(UO2)2V2O8•5(H2O) Pcan 2/m 2/m 2/m
 
04.HB.15 Francevillite (Ba,Pb)(UO2)2V2O8•5(H2O) Pcan 2/m 2/m 2/m
 
04.HB.15 Fritzscheite Mn(UO2)2[(V,P)O4]2•4(H2O) Pnam 2/m 2/m 2/m
 

Other Fritzscheite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Fritzscheite :
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
15 - Uranium Minerals

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

Fritzscheite

Mn(UO2)2[(V,P)O4]2•4(H2O)
Dana No: 40.02a.25.01 Strunz No: 04.HB.15
Locality:

 

Notes:

 

 
   
 


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