Tyuyamunite
Ca(UO₂)₂(VO₄)₂·5-8H₂O
Phosphates
Hardness —
· Orthorhombic
Photo: Robert M. Lavinsky · CC BY-SA 3.0
Aerugite
Ni₈.₅(AsO₄)₂As⁵⁺O₈
Arsenate mineral
Properties
- Chemical formula
- Ni₈.₅(AsO₄)₂As⁵⁺O₈
- Group
- Phosphates
- Crystal system
- Trigonal
- Hardness (Mohs)
- 4
- Color
- Green
- Luster
- —
- Streak
- Bright green
- Density
- 5,85 g/cm³
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- R-3m
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 8.BC.15
- Dana classification
- —
- IMA status
- Redefined mineral (Rd)
- IMA symbol
- Aru
- Locality
- 🇩🇪 Johanngeorgenstadt
- Type locality
- —
- Discovery year
- —
Etymology
Named after verdigris
Source: Wikidata
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