Bystromite Mineral Data + 
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- 44.2.1.1 Bystromite MgSb2O6 P 41/mnm 4/m 2/m 2/m
- 44.2.1.2 Ordonezite ZnSb2O6 P 41/mnm 4/m 2/m 2/m
- 44.2.1.3 Tripuhyite FeSbO4 P 41/mnm 4/m 2/m 2/m
- IV/D.04-10 Ferrotapiolite (Fe,Mn)(Ta,Nb)2O6 P 41/mnm 4/m 2/m 2/m
- IV/D.04-20 Manganotapiolite (Mn,Fe)(Ta,Nb)2O6 P 41/mnm 4/m 2/m 2/m
- IV/D.04-40 Bystromite MgSb2O6 P 41/mnm 4/m 2/m 2/m
- IV/D.04-50 Tripuhyite FeSbO4 P 41/mnm 4/m 2/m 2/m
- IV/D.04-60 Ordonezite ZnSb2O6 P 41/mnm 4/m 2/m 2/m
General Bystromite Information |
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 Chemical Formula: |
MgSb2O6 | ||
| Composition: |
Molecular Weight = 363.80 gm | ||
| Magnesium 6.68 % Mg 11.08 % MgO | |||
| Antimony 66.93 % Sb 88.92 % Sb2O5 | |||
| Oxygen 26.39 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
MgSb2O6 | ||
| IMA Status: |
Valid Species (Pre-IMA) 1952 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
Bystroemite | ||
| ICSD 40345 | |||
| PDF 37-1470 | |||
Bystromite Image | |||
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Images:
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Bystromite Crystallography |
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| Axial Ratios: |
a:c = 1:1.96794 | ||
| Cell Dimensions: |
a = 4.68, c = 9.21, Z = 2; V = 201.72 Den(Calc)= 5.99 | ||
| Crystal System: |
Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 41/mnm | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.32(1), 1.73(0.9), 2.57(0.9), | ||
Physical Properties of Bystromite |
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| Color: |
Blue. | ||
| Density: |
5.7 | ||
| Hardness: |
7 - Quartz | ||
Optical Properties of Bystromite |
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| Gladstone-Dale: |
CI meas= 0.019 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.066 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1477,KPDmeas= 0.1553,KC= 0.1582 |
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| Optical Data: |
Uniaxial (?), b=1.86-1.91. | ||
Calculated Properties of Bystromite |
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| Electron Density: |
relectron=5.08 gm/cc |
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| Fermion Index |
Fermion Index = 0.0068 Boson Index = 0.9932 |
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| Photoelectric: |
PEBystromite = 221.22 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Bystromite is Not Radioactive |
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Bystromite Classification |
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| Dana Class: |
44.2.1.1 (44)Antimonates | ||
| (44.2)A (X2 O6) | |||
| (44.2.1)Dana Group | |||
| Strunz Class: |
IV/D.04-40 IV - Oxides | ||
| IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds) | |||
| IV/D.04 - Tapiolite group | |||
Other Bystromite Information |
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| References: |
NAME( Athena) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Bystromite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - WWW-MINCRYST Search for Bystromite using: Visit our Advertisers for Bystromite : Translate Bystromite Mineral Data : Ask about Bystromite here : Print or Cut-and-Paste your Bystromite Specimen Label here :
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