[On-Line Catalogue] [On-Line Auctions] [eBay] [Contact Us] [Policies] We specialize in fine European and Asian Mineral Specimens Heliodor is based in Prague, Czech Republic General Rabejacite InformationCa(UO2)4(SO4)2(OH)6•6(H2O) |
Molecular Weight = 1,522.45 gm |
|
Calcium 2.63 % Ca 3.68 % CaO |
|
Uranium 62.54 % U 70.95 % UO2 |
|
Hydrogen 1.19 % H 10.65 % H2O |
|
Sulfur 4.21 % S 10.52 % SO3 |
|
Oxygen 29.43 % O |
|
______ ______ |
|
100.00 % 95.80 % = TOTAL OXIDE |
Ca(UO2)4(SO4)2(OH)6•6(H2O) |
Associated with gypsum and other secondary uranium minerals as an alteration product of pitchblende. |
Approved IMA 1993 |
Rabejac and Mas d'Alary village a few kilometers from Lodeve, France. Link to MinDat.org Location Data. |
Named for the locality. |
Rabejacite + Pronunciation |
IMA1992-043 |
| | Rabejacite Image
|
|
Rabejacite Crystallographya:b:c =0.5108:1:0.9198 |
a = 8.73, b = 17.09, c = 15.72, Z = 4; V = 2,345.36 Den(Calc)= 4.31 |
OrthorhombicSpace Group: Unk |
By Intensity(I/Io): 7.9(1), 3.49(0.8), 3.38(0.7), |
| Physical Properties of RabejaciteNone |
Yellow, Amber yellow. |
4.1 |
Transparent to Translucent |
Acicular - Occurs as needle-like crystals. |
Aggregates - Made of numerous individual crystals or clusters. |
Nodular - Tuberose forms having irregular protuberances over the surface. |
3 - Calcite |
Fluorescent, Short UV=light yellow, Long UV=light yellow. |
Vitreous (Glassy) |
white |
| Optical Properties of RabejaciteCI meas= -0.27 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.208 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1613,KPDmeas= 0.1695,KC= 0.1335 Ncalc = 1.55 - 1.58 Biaxial (-), a=1.617, b=1.71, g=1.758, bire=0.1410, 2V(Calc)=68, 2V(Meas)=68. Dispersion r > v weak. |
pale yellow. |
pale yellow. |
sulfur yellow. |
| Calculated Properties of RabejaciteBulk Density (Electron Density)=3.75 gm/cc |
note: Specific Gravity of Rabejacite =4.31 gm/cc. Fermion Index = 0.004997256 |
Boson Index = 0.995002744 PERabejacite =1,632.20 barns/electron |
U=PERabejacite x relectron=6,117.79 barns/cc. |
GRapi = 4,635,796.31 (Gamma Ray American Petroleum Institute Units)
Rabejacite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size
(10 mRem/hr limit, Unshielded 10 cm box)
6.56 ± 1.64 grams of pure Rabejacite .
Weight of pure Rabejacite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.31 gm/cc.* | Rabejacite Classification31.06.08.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen |
|
(31.06)where (A+ B++)5 (XO4)2 Zq·x(H2O) |
|
(31.06.08)Dana Group |
|
07.EC.10 07 - SULFATES (SELENATES, TELLURATES) |
|
07.E - Uranyl Sulfates |
|
07.EC -With medium-sized and large cations |
|
| Other Rabejacite InformationNAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
Links to other databases for Rabejacite : |
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 - Uranium Minerals Search for Rabejacite using: Visit our Advertisers for Rabejacite : 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 Rabejacite Mineral Data : Ask about Rabejacite here : Print or Cut-and-Paste your Rabejacite Specimen Label here :
| |
|
| | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||