Mineralpedia Details for Masuyite
Masuyite
- Formula
- Pb(UO2)3O3(OH)2ยท3H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Pseudo Hexagonal, Twinning Common
- Cleavage
- Perfect, Indistinct, None
- Luster
- Vitreous (Glassy)
- Color
- brown orange, carmine red, red, red orange
- Class
- Monoclinic - Domatic
- Hardness
- -
- WebMineral
- View Masuyite
- Mindat
- View Masuyite
Masuyite from Shinkolobwe, Katanga, Democratic Republic of Congo
- Special Info
- Radioactive!!,Type Locality
Excellent micro orange crystals to less than 1mm with yellowish green crystals of Uranophane. Ex. Pinch with tag. Associated with Uraninite. Radioactive.
Bright orange seams of Masuyite with some open cavities with tiny nice crystals in Uraninite matrix. In association are yellow sprays of Uranophane and colorless Fluorapatite(?).
Click thumbnail images for larger view.