Bystromite Mineral Data (original) (raw)

General Bystromite Information

Help on Chemical Formula: Chemical Formula:

MgSb2O6

Help on Composition: 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

Help on Empirical Formula: Empirical Formula:

MgSb2O6

Help on Environment: Environment:

In quartz veins in an oxidized antimony deposit.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1952

Help on Locality: Locality:

La Fortuna and San Jose mines, El Antimonio, 27 km southwest of Agua Prieta, Sonora, Mexico. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Anders Bystrom (1916-1956), Swedish crystal chemist, who made a structural analysis of the synthetic compound.

Help on Name Pronunciation: Name Pronunciation:

Bystromite + Pronunciation Say BYSTROMITE

Help on Synonym: Synonym:

Bystroemite

ICSD 40345

PDF 37-1470

Bystromite Image

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Bystromite Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:1.96794

Help on Cell Dimensions: Cell Dimensions:

a = 4.68, c = 9.21, Z = 2; V = 201.72 Den(Calc)= 5.99

Help on Crystal System: Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 41/mnm

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.32(1), 1.73(0.9), 2.57(0.9),

Physical Properties of Bystromite

Help on Color: Color:

Blue.

Help on Density: Density:

5.7

Help on Hardness: Hardness:

7 - Quartz

Optical Properties of Bystromite

Help on Gladstone-Dale: 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
Ncalc = 1.9 - 1.95

Help on Optical Data: Optical Data:

Uniaxial (?), b=1.86-1.91.

Calculated Properties of Bystromite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=5.08 gm/cc
note: Specific Gravity of Bystromite =5.70 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0068075007
Boson Index = 0.9931924993

Help on Photoelectric: Photoelectric:

PEBystromite = 221.22 barns/electron
U=PEBystromite x rElectron Density=1,122.98 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bystromite is Not Radioactive

Bystromite Classification

Help on Dana Class: Dana Class:

44.02.01.01 (44)Antimonates

(44.02)A (X2 O6)

(44.02.01)Bystromite Group

44.02.01.01 Bystromite MgSb2O6 P 41/mnm 4/m 2/m 2/m

44.02.01.02 Ordonezite ZnSb2O6 P 41/mnm 4/m 2/m 2/m

44.02.01.03 Tripuhyite FeSbO4 P 41/mnm 4/m 2/m 2/m

Help on Strunz Class: Strunz Class:

04.DB.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.D - Metal:Oxygen = 1:2 and similar

04.DB -With medium-sized cations; chains of edge-sharing octahedra

04.DB.10 Bystromite MgSb2O6 P 41/mnm 4/m 2/m 2/m

04.DB.10 Tapiolite-(Fe) (Fe,Mn)(Ta,Nb)2O6 P 41/mnm 4/m 2/m 2/m

04.DB.10 Ordonezite ZnSb2O6 P 41/mnm 4/m 2/m 2/m

04.DB.10 Tapiolite-(Mn) (Mn,Fe)(Ta,Nb)2O6 P 41/mnm 4/m 2/m 2/m

04.DB.10 Tapiolite* (Fe,Mn)(Ta,Nb)2O6 P 41/mnm 4/m 2/m 2/m

Other Bystromite Information

Help on References: References:

NAME( AntBidBlaNic4) 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 Bystromite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST

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Ask about Bystromite here :
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Print or Cut-and-Paste your Bystromite Specimen Label here :

Bystromite

MgSb2O6
Dana No: 44.02.01.01 Strunz No: 04.DB.10
Locality:

Notes: