General Rooseveltite Information![]() BiAsO4 |
![]() Molecular Weight = 347.90 gm |
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Bismuth 60.07 % Bi 66.97 % Bi2O3 |
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Arsenic 21.54 % As 33.03 % As2O5 |
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Oxygen 18.40 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() Bi(AsO4) |
![]() Cassiterite veinlets in rhyolite-dacite lava flows |
![]() Valid Species (Pre-IMA) 1946 |
![]() Santiaguillo, west of Maragua, Potosi, Bolivia. Link to MinDat.org Location Data. |
![]() Named for Franklin Delano Roosevelt (1882-1945), 32nd President of the USA. |
![]() Rooseveltite + Pronunciation |
![]() ![]() ICSD 27199 |
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PDF 25-89 |
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Rooseveltite Crystallography![]() a:b:c =0.9606:1:0.9399 |
![]() a = 6.882, b = 7.164, c = 6.734, Z = 4; beta = 104.83° V = 320.94 Den(Calc)= 7.20 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2/m |
![]() By Intensity(I/Io): 3.15(1), 2.96(0.7), 4.82(0.4), |
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| Physical Properties of Rooseveltite![]() Gray, Gray white. |
![]() 6.86 |
![]() Translucent |
![]() Brittle - Generally displayed by glasses and most non-metallic minerals. |
![]() 4-4.5 - Between Fluorite and Apatite |
![]() Adamantine |
![]() white |
| Optical Properties of Rooseveltite![]() CI meas= -0.081 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.03 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1606,KPDmeas= 0.1686,KC= 0.156 Ncalc = 2.07 - 2.12 ![]() Biaxial (+), a=2.14, b=2.15, g=2.18, bire=0.0400, 2V(Calc)=62, 2V(Meas)=50. |
| Calculated Properties of Rooseveltite![]() Bulk Density (Electron Density)=6.13 gm/cc |
note: Specific Gravity of Rooseveltite =7.20 gm/cc. ![]() Fermion Index = 0.0000888987 |
Boson Index = 0.9999111013 ![]() PERooseveltite =1,152.58 barns/electron |
U=PERooseveltite x rElectron Density=7,060.57 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Rooseveltite is Not Radioactive | Rooseveltite Classification![]() 38.04.04.01 (38)Anhydrous Phosphates, etc |
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(38.04)A+ XO4 |
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(38.04.04)Dana Group |
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![]() 08.AD.50 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.A - Phosphates, etc. without additional anions, without H2O |
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08.AD -With only large cations |
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| Other Rooseveltite Information![]() NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
![]() Links to other databases for Rooseveltite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - MinDAT 10 - Mineralienatlas (Deutsch) 11 - Online Mineral Museum 12 - QUT Mineral Atlas 13 - Ruff.Info 14 - WWW-MINCRYST Search for Rooseveltite using: Visit our Advertisers for Rooseveltite : A Bijoux Google Search for RooseveltiteAdam's Minerals Google Search for Rooseveltite Cape Minerals Google Search for Rooseveltite Dakota Matrix Minerals Google Search for Rooseveltite Excalibur Mineral Corp. Google Search for Rooseveltite Exceptional Minerals Google Search for Rooseveltite John Betts Fine Minerals Search for Rooseveltite McDougall Minerals Google Search for Rooseveltite Mineral News Website Link Rock and Mineral Shows Google Search for Rooseveltite Weinrich Minerals, Inc. Google Search for Rooseveltite Ask about Rooseveltite here : Print or Cut-and-Paste your Rooseveltite Specimen Label here :
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