Info: Ulexite is colourless, sometimes white, sometimes even green. It is translucent to transparent, with glass to silk luster. Crystalizes in triclinic crystals.
How to recognize: In UV-light ulexite emits strong blue-green flourescence, but often can emit also strong yellow coloured flourescence.
Found: Ulexite was found in USA, Chille, Peru, Argentina and Turkey.
Crystal structure |
Triclinic |
Hardness |
2,5 |
Colour |
Colourless, white |
Luster |
Glass, silk |