Lanarkite
Pb₂O(SO₄)
Sulfates
Hardness —
· Monoclinic
Photo: Joan Rosell, from rosellminerals.com · CC BY-SA 4.0
Corkite
PbFe³⁺₃(SO₄)(PO₄)(OH)₆
Alunite supergroup, phosphate-sulfate mineral
Properties
- Chemical formula
- PbFe³⁺₃(SO₄)(PO₄)(OH)₆
- Group
- Sulfates
- Crystal system
- Trigonal
- Hardness (Mohs)
- —
- Color
- Brown
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- —
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 8.BL.05
- Dana classification
- 43.4.1.2
- IMA status
- Redefined mineral (Rd)
- IMA symbol
- Cok
- Locality
- —
- Type locality
- —
- Discovery year
- —
Etymology
Named after County Cork
Source: Wikidata
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