Achondrite
Meteorite, tektite, or impactite
Also called HED meteorite, Eucrite, Howardite, and Diogenite
About it
Stony meteorite without chondrules, formed by melting on an asteroid or planet, so it looks like an earthly igneous rock under a fusion crust. Includes the HED group from the asteroid Vesta, plus lunar and Martian meteorites.
- Type
- Meteorite, tektite, or impactite (stony)
- Group
- Stony meteorite, achondrite
- Lustre
- dull
- Colours
- black, often glossy crust, light grey to greenish interior
- Transparency
- opaque
Typical values: real specimens vary. For more, see mindat.org.