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Hanksite Mineral Data + |
General Hanksite Information |
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| KNa22(SO4)9(CO3)2Cl | |||
| Molecular Weight = 1,564.92 gm | |||
| Potassium 2.50 % K 3.01 % K2O | |||
| Sodium 32.32 % Na 43.57 % Na2O | |||
| Carbon 1.54 % C 5.62 % CO2 | |||
| Sulfur 18.44 % S 46.05 % SO3 | |||
| Chlorine 2.27 % Cl 2.27 % Cl | |||
| - % Cl -0.51 % -O=Cl2 | |||
| Oxygen 42.94 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| KNa22(SO4)9(CO3)2Cl | |||
| Continental evaporite deposits. | |||
| Valid Species (Pre-IMA) 1885 | |||
| Searles Lake, San Bernardino Co. California. Link to MinDat.org Location Data. | |||
| Named for H. G. Hanks, American geologist. | |||
| ICSD 2852 | |||
| PDF 25-1348 | |||
Hanksite Image | |||
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Hanksite Crystallography |
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| a:c = 1:2.02483 | |||
| a = 10.47, c = 21.2, Z = 2; V = 2,012.61 Den(Calc)= 2.58 | |||
| Hexagonal - DipyramidalH-M Symbol (6/m) Space Group: P 63/m | |||
| By Intensity(I/Io): 2.61(1), 2.78(1), 3.78(1), | |||
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Physical Properties of Hanksite |
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| [0001] Good | |||
| Colorless, Gray, Grayish black, Yellow, Yellowish white. | |||
| 2.5 | |||
| Transparent | |||
| Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | |||
| Crystalline - Coarse - Occurs as well-formed coarse sized crystals. | |||
| 3 - Calcite | |||
| Non-fluorescent. | |||
| Vitreous - Greasy | |||
| Nonmagnetic | |||
| white | |||
Optical Properties of Hanksite |
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| CI meas= 0.004 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.035 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1826,KPDmeas= 0.1884,KC= 0.1892 |
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| Uniaxial (-), e=1.461, w=1.481, bire=0.0200. | |||
Calculated Properties of Hanksite |
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relectron=2.46 gm/cc |
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| Fermion Index = 0.00176 Boson Index = 0.99824 |
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PEHanksite = 2.04 barns/electron |
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| GRapi = 35.47 (Gamma Ray American Petroleum Institute Units) Estimated Radioactivity from Hanksite |
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Hanksite Classification |
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| 32.3.1.1 (32)Compound Sulfates | |||
| (32.3)(anhydrous) with poly-anionic formula | |||
| (32.3.1)Dana Group | |||
| VI/B.14-30 VI - Sulfates,Chromates,Molybdates and Tungstates | |||
| VI/B - Waterfree sulfates [SO4]2- with unfamiliar anions. mostly big cations | |||
| VI/B.14 - Hectorfloresite - Hanksite series | |||
Other Hanksite Information |
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| NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Hanksite : 1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 -Athena 4 - EUROmin Project 5 - Glendale Community College 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 -QUT Mineral Atlas 14 - WWW-MINCRYST 15 -École des Mines de Paris Search for Hanksite using: Visit our Advertisers for Hanksite : Translate Hanksite Mineral Data : Ask about Hanksite here : Print or Cut-and-Paste your Hanksite Specimen Label here :
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