Kalistrontite Mineral Data + 
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- 28.4.3.1 Palmierite (K,Na)2Pb(SO4)2 R 3m 3 2/m
- 28.4.3.2 Kalistrontite K2Sr(SO4)2 R 3m 3 2/m
- VI/A.08-10 Aphthitalite (K,Na)3Na(SO4)2 P 3m 3 2/m
- VI/A.08-20 Kalistrontite K2Sr(SO4)2 R 3m 3 2/m
- VI/A.08-30 Palmierite (K,Na)2Pb(SO4)2 R 3m 3 2/m
- VI/A.08-40 Glauberite Na2Ca(SO4)2 C 2/c 2/m
- VI/A.08-50 Anhydrite CaSO4 Amma 2/m 2/m 2/m
General Kalistrontite Information |
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 Chemical Formula: |
K2Sr(SO4)2 | ||
| 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 | |||
| Empirical Formula: |
K2Sr(SO4)2 | ||
| IMA Status: |
Approved IMA 1962 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
Search for Kalistrontite Images | |||
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Images:
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Kalistrontite Crystallography |
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| Axial Ratios: |
a:c = 1:3.79816 | ||
| Cell Dimensions: |
a = 5.45, c = 20.7, Z = 3; V = 532.47 Den(Calc)= 3.35 | ||
| Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.12(1), 1.904(0.9), 2.73(0.8), | ||
Physical Properties of Kalistrontite |
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| Cleavage: |
[0001] Perfect | ||
| Color: |
Colorless. | ||
| Density: |
3.2 | ||
| Diaphaniety: |
Transparent | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Hardness: |
2 - Gypsum | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Kalistrontite |
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| 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 |
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| Optical Data: |
Uniaxial (-), e=1.549, w=1.569, bire=0.0200. | ||
Calculated Properties of Kalistrontite |
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| Electron Density: |
relectron=3.08 gm/cc |
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| Fermion Index |
Fermion Index = 0.01867 Boson Index = 0.98133 |
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| Photoelectric: |
PEKalistrontite = 30.27 barns/electron |
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| Radioactivity: |
GRapi = 302.91 (Gamma Ray American Petroleum Institute Units) Estimated Radioactivity from Kalistrontite |
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Kalistrontite Classification |
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| Dana Class: |
28.4.3.2 (28)Anhydrous Acid and Sulfates | ||
| (28.4)with miscellaneous formulae | |||
| (28.4.3)Dana Group | |||
| Strunz Class: |
VI/A.08-20 VI - Sulfates,Chromates,Molybdates and Tungstates | ||
| VI/A - Waterfree sulfates [SO4]2- without unfamiliar anions. cations of very big size | |||
| VI/A.08 - Aphthitalite - Anhydrite series | |||
Other Kalistrontite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Kalistrontite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Kalistrontite using: Visit our Advertisers for Kalistrontite : Translate Kalistrontite Mineral Data : Ask about Kalistrontite here : Print or Cut-and-Paste your Kalistrontite Specimen Label here :
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- barely detectable 
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