Delvauxite
CaFe³⁺₄(PO₄)₂(OH)₈·4-5H₂O (?)
Questionable phosphate mineral
Properties
- Chemical formula
- CaFe³⁺₄(PO₄)₂(OH)₈·4-5H₂O (?)
- Group
- Phosphates
- Crystal system
- Amorphous solid
- Hardness (Mohs)
- —
- Color
- Yellow
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- —
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 8.DM.35
- Dana classification
- 42.6.6.1
- IMA status
- Questionable (Q)
- IMA symbol
- Dvx
- Locality
- —
- Type locality
- —
- Discovery year
- —
Etymology
Named after Jean-Charles-Philippe-Joseph Delvaux de Fenffe
Source: Wikidata
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