Tyuyamunite
Ca(UO₂)₂(VO₄)₂·5-8H₂O
Phosphates
Hardness —
· Orthorhombic
Photo: David Hospital · CC BY-SA 4.0
Santafeite
(Na,Ca,Sr)₁₂(Mn²⁺,Fe³⁺,Al,Mg)₈Mn₄+₈(VO₄)₁₆(OH,O)₂₀ * 8H₂O
Vanadate mineral
Properties
- Chemical formula
- (Na,Ca,Sr)₁₂(Mn²⁺,Fe³⁺,Al,Mg)₈Mn₄+₈(VO₄)₁₆(OH,O)₂₀ * 8H₂O
- Group
- Phosphates
- Crystal system
- Orthorhombic
- Hardness (Mohs)
- —
- Color
- —
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- —
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 8.DM.40
- Dana classification
- 42.9.7.1
- IMA status
- Grandfathered mineral (G)
- IMA symbol
- Sfe
- Locality
- —
- Type locality
- —
- Discovery year
- —
Etymology
Named after Atchison, Topeka and Santa Fe Railway
Source: Wikidata
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