Mineralpedia Details for Metaheinrichite
Metaheinrichite
Named as a mineral relating to heinichite with lower hydration, hence the prefix meta-. Metaheinrichite is a dehydration product of heinrichite and is a secondary mineral that is formed from the weathering of uranium minerals. It is a rare mineral and can be found in localities in the United States, Germany, and France. Metaheinrichite is strongly radioactive and will fluoresce a bright green to yellow-green under short-wave and long-wave ultraviolet light.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/metaheinrichite.pdf
- Formula
- Ba(UO2)2(AsO4)2ยท8H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Scaly
- Cleavage
- Perfect, Distinct, None
- Luster
- Vitreous - Pearly
- Color
- yellowish green
- Streak
- yellowish white
- Class
- Monoclinic - Sphenoidal
- Hardness
- 2.5
- WebMineral
- View Metaheinrichite
- Mindat
- View Metaheinrichite
Metaheinrichite from White King mine, Lake Co., Oregon, United States
Bright yellow, thin platy crystals to 3mm in abundance across the face.
Click thumbnail images for larger view.
