General Brizziite-VII Information![]() NaSb+++++O3 |
![]() Molecular Weight = 192.74 gm |
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Sodium 11.93 % Na 16.08 % Na2O |
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Antimony 63.17 % Sb 88.07 % SbO3 |
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Oxygen 24.90 % O |
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100.00 % 104.15 % = TOTAL OXIDE |
![]() NaSbO3 |
![]() The result of deep weathering of stibnite. |
![]() Approved IMA 1992 |
![]() The Cetine mine, approximately 20 km SW of Sienna, Tuscany, Italy. Link to MinDat.org Location Data. |
![]() For Dr. Giancarlo Brizzi (1936-1992) who discovered the mineral. |
![]() Brizziite-VII + Pronunciation |
![]() ![]() IMA1993-044 |
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Brizziite-VII Crystallography![]() a:c = 1:3.00547 |
![]() a = 5.301, c = 15.932, Z = 6; V = 387.72 Den(Calc)= 4.95 |
![]() Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3 |
![]() By Intensity(I/Io): 1.874(1), 1.471(0.69), 2.365(0.69), |
| Physical Properties of Brizziite-VII![]() {001} Perfect |
![]() Yellow, Pale pink. |
![]() 4.8 - 4.95, Average = 4.87 |
![]() Transparent |
![]() Unknown - Minerals too small to observe fractures. |
![]() Encrustations - Forms crust-like aggregates on matrix. |
![]() Platy - Sheet forms (e.g. micas). |
![]() 2 - Gypsum |
![]() Pearly |
![]() white |
| Optical Properties of Brizziite-VII![]() CI meas= -3.939 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -3.864 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1486,KPDmeas= 0.1509,KC= 0.0305 Ncalc = 1.15 ![]() Uniaxial (-), e=1.631, w=1.84, bire=0.2090. |
| Calculated Properties of Brizziite-VII![]() Bulk Density (Electron Density)=4.42 gm/cc |
note: Specific Gravity of Brizziite-VII =4.95 gm/cc. ![]() Fermion Index = 0.0001195361 |
Boson Index = 0.9998804639 ![]() PEBrizziite-VII = 208.40 barns/electron |
U=PEBrizziite-VII x rElectron Density= 920.59 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Brizziite-VII is Not Radioactive | Brizziite-VII Classification![]() 44.03.12.01 (44)Antimonates |
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(44.03)with miscellaneous formulae |
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(44.03.12)Dana Group |
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![]() 04.CB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.C - Metal:Oxygen = 2:3, 3:5, and Similar |
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04.CB -With medium-sized cations |
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| Other Brizziite-VII Information![]() NAME( MinRec) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(MinRec) |
![]() Links to other databases for Brizziite-VII : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Brizziite-VII using: Visit our Advertisers for Brizziite-VII : A Bijoux Google Search for Brizziite-VIIAdam's Minerals Google Search for Brizziite-VII Cape Minerals Google Search for Brizziite-VII Dakota Matrix Minerals Google Search for Brizziite-VII Excalibur Mineral Corp. Google Search for Brizziite-VII Exceptional Minerals Google Search for Brizziite-VII John Betts Fine Minerals Search for Brizziite-VII McDougall Minerals Google Search for Brizziite-VII Mineral News Website Link Rock and Mineral Shows Google Search for Brizziite-VII Weinrich Minerals, Inc. Google Search for Brizziite-VII Ask about Brizziite-VII here : Print or Cut-and-Paste your Brizziite-VII Specimen Label here :
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