Facts
- Chemical formula
- Fe(OH)₂
- Crystal system
- Trigonal
- Number of elements
- 3
- IMA status
- Approved
- Type locality
- Udachnaya diamond mine
- Named after
- Amakinskaya Geological Exploration Expedition
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3613540