Kalistrontite Mineral Data

Kalistrontite Mineral Data
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General Kalistrontite Information

Help on Chemical Formula: Chemical Formula: K2Sr(SO4)2
Help on Composition: Composition: Molecular Weight = 357.94 gm
   Potassium  21.85 %  K    26.32 % K2O
   Strontium  24.48 %  Sr   28.95 % SrO
   Sulfur     17.92 %  S    44.74 % SO3
   Oxygen     35.76 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K2Sr(SO4)2
Help on Environment: Environment: Drillhole into anhydrite beds, probably formed by the reaction of sylvite with strontium-bearing solutions.
Help on IMA Status: IMA Status: Approved IMA 1962
Help on Locality: Locality: Alshtan, Sterlitamak district, southwestern Ural Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the potassium, KALIum, and STRONTium in the composition.
Help on Name Pronunciation: Name Pronunciation: Kalistrontite + Pronunciation Say KALISTRONTITE
 

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Kalistrontite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:3.79816
Help on Cell Dimensions: Cell Dimensions: a = 5.45, c = 20.7, Z = 3; V = 532.47 Den(Calc)= 3.35
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.12(1), 1.904(0.9), 2.73(0.8),
 

Physical Properties of Kalistrontite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Colorless.
Help on Density: Density: 3.2
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Kalistrontite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.034 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1669,KPDmeas= 0.1747,KC= 0.1727
Ncalc = 1.55 - 1.58
Help on Optical Data: Optical Data: Uniaxial (-), e=1.549, w=1.569, bire=0.0200.
 

Calculated Properties of Kalistrontite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.08 gm/cc
note: Specific Gravity of Kalistrontite =3.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEKalistrontite = 30.27 barns/electron
U=PEKalistrontite x relectron= 93.08 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 302.91 (Gamma Ray American Petroleum Institute Units)
Concentration of Kalistrontite per GRapi unit = 0.33 (%)

Estimated Radioactivity from Kalistrontite - barely detectable

 

Kalistrontite Classification
Help on Dana Class: Dana Class: 28.04.03.02 (28)Anhydrous Acid and Sulfates
  (28.04)with miscellaneous formulae
  (28.04.03)Dana Group
 
28.04.03.01 Palmierite (K,Na)2Pb(SO4)2 R 3m 3 2/m
 
28.04.03.02 Kalistrontite K2Sr(SO4)2 R 3m 3 2/m
Help on Strunz Class: Strunz Class: 07.AD.40 07 - SULFATES (SELENATES, TELLURATES)
  07.A - Sulfates (selenates, etc.) without Additional Anions, without H2O
  07.AD -With only large cations
 
07.AD.40 Kalistrontite K2Sr(SO4)2 R 3m 3 2/m
 
07.AD.40 Palmierite (K,Na)2Pb(SO4)2 R 3m 3 2/m
 

Other Kalistrontite Information
Help on References: References: NAME( AntBidBlaNic5) 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 Kalistrontite :
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 Kalistrontite Specimen Label here :

Kalistrontite

K2Sr(SO4)2
Dana No: 28.04.03.02 Strunz No: 07.AD.40
Locality:

 

Notes: