Mineralpedia Details for Guimaraesite
Guimaraesite
- Formula
- Ca2Zn5Be4(PO4)6(OH)4ยท6H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Prismatic
- Luster
- Vitreous (Glassy)
- Color
- brown
- Class
- Monoclinic - Prismatic
- Hardness
- -
- WebMineral
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Guimaraesite from Piauí Valley, Taquaral, Minas Gerais, Brazil
Yellowish green bead-like crystals to less than 0.75mm. Very rare - one locality mineral.
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