Schrockingerite Mineral Data

Schrockingerite Mineral Data
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General Schrockingerite Information

Help on Chemical Formula: Chemical Formula: NaCa3(UO2)(CO3)3(SO4)F•10(H2O)
Help on Composition: Composition: Molecular Weight = 888.49 gm
   Sodium     2.59 %  Na    3.49 % Na2O
   Calcium   13.53 %  Ca   18.93 % CaO
   Uranium   26.79 %  U    30.39 % UO2
   Hydrogen   2.27 %  H    20.28 % H2O
   Carbon     4.06 %  C    14.86 % CO2
   Sulfur     3.61 %  S     9.01 % SO3
   Oxygen    45.02 %  O
   Fluorine   2.14 %  F     2.14 % F
               -   %   F    -0.90 % -O=F2    
            ______        ______ 
            100.00 %       98.20 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaCa3(UO2)(CO3)3(SO4)F•10(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1783
Help on Locality: Locality: Jochymov, Bohemia, Czech Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Julius Freiherr Schrockinger von Neudenberg (1814-1882), who found and described the U occurrence at Jochymov, Bohemia, Czech Republic.
Help on Name Pronunciation: Name Pronunciation: Schrockingerite + Pronunciation Say SCHROCKINGERITE
Help on Synonym: Synonym: Schroeckingerite
 

Schrockingerite Image

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Schrockingerite

Comments: Pale greenish-yellow schröckingerite aggregates on matrix.
Location: St Christoph Mine, Bärenhecke, Glashütte, Erzgebirge, Saxony, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag
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Schrockingerite

Comments: Pale greenish-yellow, platy schröckingerite on matrix.
Location: Jack Daniels No. 1 Mine, Cameron District, Coconino County, Arizona, USA. Scale: See Photo.
© Paul M. Schumacher

Schrockingerite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5757:1:0.8472
Help on Cell Dimensions: Cell Dimensions: a = 9.69, b = 16.83, c = 14.26, Z = 4; V = 2,325.56 Den(Calc)= 2.54
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: C mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.26(1), 4.796(0.8), 8.48(0.7),
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Mereiter K , Tschermaks Mineralogische und Petrographische Mitteilungen , 35 (1986) p.1-18, Crystal structure and crystallographic properties of a schrockingerite from Joachimsthal, Locality: Joachimsthal, Czech Republic

 

Physical Properties of Schrockingerite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Yellow.
Help on Density: Density: 2.55
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Fluorescent, Short UV=yellow green, Long UV=yellow green.
Help on Luster: Luster: Vitreous - Pearly
 

Optical Properties of Schrockingerite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.066 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.07 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2076,KPDmeas= 0.2068,KC= 0.194
Ncalc = 1.49
Help on Optical Data: Optical Data: Biaxial (-), a=1.495, b=1.543, g=1.544, bire=0.0490
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Schrockingerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.45 gm/cc
note: Specific Gravity of Schrockingerite =2.55 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0030478529
Boson Index = 0.9969521471
Help on Photoelectric: Photoelectric: PESchrockingerite = 635.97 barns/electron
U=PESchrockingerite x relectron=1,555.12 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 2,189,748.06 (Gamma Ray American Petroleum Institute Units)
Concentration of Schrockingerite per GRapi unit = 456.67 (PPB)

Schrockingerite 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) 13.89 ± 3.47 grams of pure Schrockingerite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 1389.0 ±347.26 grams of pure Schrockingerite .

Estimated Radioactivity from Schrockingerite - very strong
Specimen
Size
Weight/Volume
(Sphere) *		 Calculated
Activity
Becquerels
(Bq)		 Calculated
Activity
Curies (Ci)		 Estimated
Activity
GR(api)		 Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 9.08 cm 47,954,380 1.30E-03 2,189,748.06 719.92
100 gm / 4.22 cm 4,795,438 1.30E-04 218,974.81 71.99
10 gm / 1.96 cm 479,544 1.30E-05 21,897.48 7.20
1 gm / 9.08 mm 47,954 1.30E-06 2,189.75 0.72
0.1 gm / 4.22 mm 4,795 1.30E-07 218.97 0.07
0.01 gm / 1.96 mm 480 1.30E-08 21.90 0.01
0.001 gm / 0.91 mm 48 1.30E-09 2.19 0.00

Weight of pure Schrockingerite in grams (gm) and Calculated Diameter of a Sphere with a Density of 2.55 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
 

Schrockingerite Classification
Help on Dana Class: Dana Class: 17.01.05.01 (17)Compound Carbonates
  (17.01)with miscellaneous formulae
  (17.01.05)Dana Group
 
17.01.05.01 Schrockingerite NaCa3(UO2)(CO3)3(SO4)F•10(H2O) C mmm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 05.EG.05 05 - CARBONATES (NITRATES)
  05.E - Uranyl Carbonates
  05.EG -With SO4 or SiO4
 
05.EG.05 Schrockingerite NaCa3(UO2)(CO3)3(SO4)F•10(H2O) C mmm 2/m 2/m 2/m
 

Other Schrockingerite 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 Schrockingerite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - Uranium Minerals
15 - WWW-MINCRYST

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Ask about Schrockingerite here :
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Print or Cut-and-Paste your Schrockingerite Specimen Label here :

Schrockingerite

NaCa3(UO2)(CO3)3(SO4)F•10(H2O)
Dana No: 17.01.05.01 Strunz No: 05.EG.05
Locality:

 

Notes: