Gibbsite
Al(OH)₃
Oxides
Hardness —
· Monoclinic
Photo: David Hospital · CC BY-SA 4.0
Obradovicite-KCu
[K₂(H₂O)₁₇Cu(H₂O)₆][Mo₈As₂Fe³⁺₃O₃₄(OH)₃]
Heteropolymolybdate mineral
Properties
- Chemical formula
- [K₂(H₂O)₁₇Cu(H₂O)₆][Mo₈As₂Fe³⁺₃O₃₄(OH)₃]
- Group
- Oxides
- 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
- 7.GB.40
- Dana classification
- 49.4.2.1
- IMA status
- Renamed mineral (Rn)
- IMA symbol
- Obr-KCu
- Locality
- 🇨🇱 Chuquicamata
- Type locality
- —
- Discovery year
- —
Etymology
Named after potassium
Source: Wikidata
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