Hectorfloresite Mineral Data + 
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- 32.1.2.1 Hectorfloresite Na9(IO3)(SO4)4 P 21/a 2/m
- VI/B.14-10 Hectorfloresite Na9(IO3)(SO4)4 P 21/a 2/m
- VI/B.14-20 Burkeite Na6(CO3)(SO4)2 P mmm 2/m 2/m 2/m
- VI/B.14-30 Hanksite KNa22(SO4)9(CO3)2Cl P 63/m 6/m
General Hectorfloresite Information |
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 Chemical Formula: |
Na9(IO3)(SO4)4 | ||
| Composition: |
Molecular Weight = 766.06 gm | ||
| Sodium 27.01 % Na 36.41 % Na2O | |||
| Sulfur 16.74 % S 41.81 % SO3 | |||
| Iodine 16.57 % I 21.79 % I2O5 | |||
| Oxygen 39.68 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Na9(IO3)(SO4)4 | ||
| IMA Status: |
Approved IMA 1989 | ||
| Locality: |
Alianza nitrate mine, Oficina Victoria, Tarapaca, Chile. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Hector Flores W. (1906-1984), Chilean geologist, University of Chile. | ||
Hectorfloresite Image | |||
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Images:
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Hectorfloresite Crystallography |
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| Axial Ratios: |
a:b:c =2.707:1:2.053 | ||
| Cell Dimensions: |
a = 18.775, b = 6.9356, c = 14.239, Z = 4; beta = 108.91° V = 1,754.07 Den(Calc)= 2.90 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.88(1), 2.7(0.8), 2.788(0.3), | ||
Physical Properties of Hectorfloresite |
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| Cleavage: |
None | ||
| Color: |
Colorless, White. | ||
| Density: |
2.8 - 2.85, Average = 2.82 | ||
| Diaphaniety: |
Transparent | ||
| Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | ||
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | ||
| Habit: |
Pseudo Hexagonal - Crystals show a hexagonal outline. | ||
| Hardness: |
2 - Gypsum | ||
| Streak: |
white | ||
Optical Properties of Hectorfloresite |
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| Gladstone-Dale: |
CI meas= 0.023 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.048 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1767,KPDmeas= 0.1814,KC= 0.1857 |
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| Optical Data: |
Biaxial (-), a=1.493, b=1.521, g=1.523, bire=0.0300, 2V(Calc)=28, 2V(Meas)=26. | ||
Calculated Properties of Hectorfloresite |
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| Electron Density: |
relectron=2.71 gm/cc |
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| Fermion Index |
Fermion Index = 0.00144 Boson Index = 0.99856 |
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| Photoelectric: |
PEHectorfloresite = 59.55 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Hectorfloresite is Not Radioactive |
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Hectorfloresite Classification |
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| Dana Class: |
32.1.2.1 (32)Compound Sulfates | ||
| (32.1)(anhydrous) with simple bi-anionic formula | |||
| (32.1.2)Dana Group | |||
| Strunz Class: |
VI/B.14-10 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 Hectorfloresite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.74,p1207-1214,1989) OPTIC PROP.(Am.Min.,Vol.74,p1207-1214,1989) | ||
| See Also: |
Links to other databases for Hectorfloresite : 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 Hectorfloresite using: Visit our Advertisers for Hectorfloresite : Translate Hectorfloresite Mineral Data : Ask about Hectorfloresite here : Print or Cut-and-Paste your Hectorfloresite Specimen Label here :
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