Mineralpedia Details for Ulrichite
Ulrichite
Named to honor George Henry Frederick Ulrich after his contributions to Victoria, Australia mineralogy. Found in only one locality in the world at the Lake Boga granite quarry in Victoria, Australia, Ulrichite occurs as a secondary mineral in irregular, crystal lined cavities in pegmatoidal granite. Ulrichite is radioactive and can fluoresce a strong yellow under short-wave ultraviolet light.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/ulrichite.pdf
- Formula
- CaCu(UO2)(PO4)2ยท4H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Acicular, Radial
- Cleavage
- Perfect, None, None
- Luster
- Vitreous (Glassy)
- Color
- green, lime green
- Streak
- white
- Class
- Monoclinic - Prismatic
- Hardness
- 3.5
- WebMineral
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Ulrichite from Lake Boga granite quarry, Lake Boga, Victoria, Australia
Bright green, thin lath-like crystals, free standing in vugs.
Click thumbnail images for larger view.
