Home Ulexite
V - Borates
 
Name   Ulexite
Chemistry   NaCa[B5O6(OH)6]·5H2O
Hardness   2.5
Lustre   silky
Colour   white, grey to colourless
Streak   white 
Density [g/cm3]   1.97
Crystal habit   triclinic, crystals acicular, fibrous
Cleavage, Fracture   [010], [110] perfect, fracture fibrous
other characteristics and occurrences   precipitation in lakes of aride areas
   
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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