[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store] See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM] Rare Minerals, Meteorites, Equipment and Analytical Services Excalibur Mineral Company, World leaders in the supply of rare species Serving the scientific and collector communities since 1974 General Parabariomicrolite InformationBaTa4O10(OH)2•2H20 |
Molecular Weight = 1,091.16 gm |
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Barium 12.59 % Ba 14.05 % BaO |
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Tantalum 66.33 % Ta 81.00 % Ta2O5 |
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Hydrogen 0.55 % H 4.95 % H2O |
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Oxygen 20.53 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
BaTa4O10(OH)2•2(H2O) |
Alteration product of microlite crystals, in a decomposed zoned pegmatite. |
Approved IMA 1986 |
Alto do Giz pegmatite, near Parelhas, Rio Grande do Norte, Brazil. Link to MinDat.org Location Data. |
Named from the Greek for near and its relation to bariomicrolite. |
Parabariomicrolite + Pronunciation |
ICSD 40946 |
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PDF 39-401 |
| | Search for Parabariomicrolite Images
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| | Parabariomicrolite Crystallographya:c = 1:2.49091 |
a = 7.429, c = 18.505, Z = 3; V = 884.46 Den(Calc)= 6.15 |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m |
By Intensity(I/Io): 3.04(1), 3.172(0.65), 6.18(0.5), |
| Physical Properties of Parabariomicrolite{0001} Good, {1010} Good |
White, Light pink. |
5.97 |
Translucent |
4 - Fluorite |
Vitreous - Pearly |
white |
| Optical Properties of ParabariomicroliteNCalc= 1.97 - from Gladstone-Dale relationship (KC = 0.1571) where Ncalc=Dcalc*KC+1 |
NCalc= 1.94 - from Gladstone-Dale relationship (KC = 0.1571) where Ncalc=Dmeas*KC+1 | Calculated Properties of ParabariomicroliteBulk Density (Electron Density)=5.25 gm/cc |
note: Specific Gravity of Parabariomicrolite =6.15 gm/cc. Fermion Index = 0.02 |
Boson Index = 0.98 PEParabariomicrolite = 858.81 barns/electron |
U=PEParabariomicrolite x rElectron Density=4,511.27 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Parabariomicrolite is Not Radioactive | Parabariomicrolite Classification08.02.08.01 (08)Multiple Oxides with Nb, Ta, and Ti |
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(08.02)where (A)2 (B2O6) (O,OH,F) |
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(08.02.08)Dana Group |
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04.FJ.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.F - Hydroxides (without V or U) |
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04.FJ -Hydroxides with H2O ± (OH); corner-sharing octahedra |
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| Other Parabariomicrolite InformationNAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Parabariomicrolite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Parabariomicrolite using: Visit our Advertisers for Parabariomicrolite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Parabariomicrolite Mineral Data : Ask about Parabariomicrolite here : Print or Cut-and-Paste your Parabariomicrolite Specimen Label here :
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