Armstrongite
sold- Locality
- Dorozhnyi pegmatite, Khanbogd District, Ömnögovi Province, Mongolia
- Minerals
- Armstrongite
- Dimensions
- 1 x 1 x 0.7 cm
- Size class
- Thumbnail
- SID
- CT523
Dark reddis brown Armstrongite from the type locality for the species. Named after American astronaut Neil Armstrong.