Ungemachite
K₃Na₈Fe³⁺(SO₄)₆(NO₃)₂·6H₂O
Sulfate-nitrate hexahydrate mineral
Properties
- Chemical formula
- K₃Na₈Fe³⁺(SO₄)₆(NO₃)₂·6H₂O
- Group
- Sulfates
- Crystal system
- Trigonal
- Hardness (Mohs)
- —
- Color
- Yellow
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- R-3
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 7.DG.10
- Dana classification
- 32.2.3.1
- IMA status
- Grandfathered mineral (G)
- IMA symbol
- Ugm
- Locality
- 🇨🇱 Chuquicamata
- Type locality
- —
- Discovery year
- —
Etymology
Named after Henri Ungemach
Source: Wikidata
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