Tyuyamunite
Ca(UO₂)₂(VO₄)₂·5-8H₂O
Phosphates
Hardness —
· Orthorhombic
Photo: Robert M. Lavinsky · CC BY-SA 3.0
Whitlockite
Ca₉Mg(PO₄)₆(PO₃OH)
Phosphate mineral
Properties
- Chemical formula
- Ca₉Mg(PO₄)₆(PO₃OH)
- Group
- Phosphates
- Crystal system
- Trigonal
- Hardness (Mohs)
- —
- Color
- Colorless
- Luster
- —
- Streak
- White
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- R3c
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 8.AC.45
- Dana classification
- 38.3.4.1
- IMA status
- Grandfathered mineral (G)
- IMA symbol
- Wht
- Locality
- 🇺🇸 Palermo No. 1 mine
- Type locality
- —
- Discovery year
- —
Etymology
Named after Herbert P. Whitlock
Source: Wikidata
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