[Current Minerals] [Order Status] [Policies] [e-Bay Items] B & L Minerals, Fine Mineral specimens for sale for collectors of all levels General Ulexite InformationNaCaB5O6(OH)6•5(H2O) |
Molecular Weight = 405.23 gm |
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Sodium 5.67 % Na 7.65 % Na2O |
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Calcium 9.89 % Ca 13.84 % CaO |
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Boron 13.34 % B 42.95 % B2O3 |
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Hydrogen 3.98 % H 35.57 % H2O |
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Oxygen 67.12 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
NaCaB5O6(OH)6•5(H2O) |
Secondary borate mineral probably derived from alteration of borax under mild heat, pressure and addition of Ca. |
Valid Species (Pre-IMA) 1850 |
Iquique, Tarapacá, Chile. Link to MinDat.org Location Data. |
Named after the German chemist, George Ludwig Ulex (1811-1883). |
Ulexite |
ICSD 100565 |
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PDF 12-419 |
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Ulexite Crystallographya:b:c =0.6849:1:0.5192 |
a = 8.809, b = 12.86, c = 6.678, Z = 2; alpha = 90.25°, beta = 109.1°, gamma = 105.1° V = 690.17 Den(Calc)= 1.95 |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 |
By Intensity(I/Io): 12.2(1), 7.75(0.8), 6(0.3), |
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Mouse
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| Physical Properties of Ulexite{010} Perfect, {110} Perfect |
Colorless, White. |
1.95 - 1.96, Average = 1.95 |
Translucent |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Acicular - Occurs as needle-like crystals. |
Capillary - Very slender and long, like a thread or hair (e.g. millerite). |
Fibrous - Crystals made up of fibers. |
2.5 - Finger Nail |
Fluorescent and some Phosphorescence, Short UV=weak yellow-white, Long UV=weak yellow-white. |
Chatoyant |
Nonmagnetic |
white |
| Optical Properties of UlexiteCI meas= -0.009 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.006 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2585,KPDmeas= 0.2592,KC= 0.2569 Ncalc = 1.5 Biaxial (+), a=1.49, b=1.51, g=1.52, bire=0.0300, 2V(Calc)=68, 2V(Meas)=73-78. Dispersion none. |
none. |
none. |
none. |
| Calculated Properties of UlexiteBulk Density (Electron Density)=2.01 gm/cc |
note: Specific Gravity of Ulexite =1.96 gm/cc. Fermion Index = 0.02 |
Boson Index = 0.98 PEUlexite = 1.54 barns/electron |
U=PEUlexite x rElectron Density= 3.09 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ulexite is Not Radioactive | Ulexite Classification26.05.11.01 (26)Hydrated Borates Containing Hydroxyl or Halogen |
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(26.05)Dana Type |
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(26.05.11)Dana Group |
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06.EA.25 06 - BORATES |
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06.E - Pentaborates |
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06.EA -Neso-pentaborates |
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| Other Ulexite InformationNAME( Sinkankas66) PHYS. PROP.(Collectors Book of Fluorescent Minerals) OPTIC PROP.(Sinkankas66) |
Links to other databases for Ulexite : |
1 - Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Athena 4 - EUROmin Project 5 - Ecole des Mines de Paris 6 - Glendale Community College 7 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - Handbook of Mineralogy (UofA) 11 - MinDAT 12 - MinMax(Deutsch) 13 - MinMax(English) 14 - Mineral and Gemstone Kingdom 15 - Mineralienatlas (Deutsch) 16 - QUT Mineral Atlas 17 - Ruff.Info 18 - WWW-MINCRYST Search for Ulexite using: Visit our Advertisers for Ulexite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Diamond Dan Publications e-Rocks Auctions Excalibur Minerals Exceptional Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Ulexite Mineral Data : Ask about Ulexite here : Print or Cut-and-Paste your Ulexite Specimen Label here :
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