Tyuyamunite
Ca(UO₂)₂(VO₄)₂·5-8H₂O
Phosphates
Hardness —
· Orthorhombic
Photo: Christian Rewitzer · CC BY-SA 3.0
Lavendulan
NaCaCu₅(AsO₄)₄Cl·5H₂O
Arsenate mineral
Properties
- Chemical formula
- NaCaCu₅(AsO₄)₄Cl·5H₂O
- Group
- Phosphates
- Crystal system
- Monoclinic
- Hardness (Mohs)
- 2,75
- Color
- Blue
- Luster
- —
- Streak
- Light blue
- Density
- 3,54 g/cm³
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- —
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 8.DG.05
- Dana classification
- 42.9.4.2
- IMA status
- Grandfathered mineral (G)
- IMA symbol
- Lvd
- Locality
- 🇨🇿 Jáchymov
- Type locality
- —
- Discovery year
- —
Etymology
Named after lavender
Source: Wikidata
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