Mineralpedia Details for Agrinierite
Agrinierite
Named for engineer of the Mineralogy Laboratory of the French Atomic Energy Commission in Paris, Henri Agrinier. It is a rare mineral that can be found only at the Margnac mine in Compreignac in Haute-Vienne, France, where it occurs in an oxidized uranium deposits in association with uranophane and gummite. Agrinierite is highly radioactive.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/agrinierite.pdf
- Formula
- K2Ca(UO2)6O6(OH)4ยท5H2O
- Crystal System
- Orthorhombic
- Crystal Habit
- Lamellar, Pseudo Hexagonal
- Cleavage
- Good, None, None
- Luster
- Resinous - Greasy
- Color
- orange
- Class
- Orthorhombic - Dipyramidal
- Hardness
- -
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Agrinierite from Margnac mine, Compreignac, Haute-Vienne, Limousin, France
Yellow crust of Agrinirite crystals.
Click thumbnail images for larger view.
