Tyuyamunite
Ca(UO₂)₂(VO₄)₂·5-8H₂O
Phosphates
Hardness —
· Orthorhombic
Penberthycroftite
[Al₆(AsO₄)₃(OH)₉(H₂O)₅]·8H₂O
Hydrous arsenate mineral
Properties
- Chemical formula
- [Al₆(AsO₄)₃(OH)₉(H₂O)₅]·8H₂O
- Group
- Phosphates
- Crystal system
- Monoclinic
- Hardness (Mohs)
- —
- Color
- —
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- P2₁/c
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- —
- Dana classification
- —
- IMA status
- Approved mineral and/or valid name (A)
- IMA symbol
- Pbc
- Locality
- 🇬🇧 Penberthy Croft Mine
- Type locality
- —
- Discovery year
- —
Etymology
Named after Penberthy Croft Mine
Source: Wikidata
For sale on the marketplace
View all →
No offers for Penberthycroftite at the moment. Browse the marketplace →
