Shatter cone
Meteorite, tektite, or impactite
About it
Rock fractured into nested cones with fine, branching striations fanning from the apex, made only by impact shock waves. Proof of craters at Sudbury, Ontario, Charlevoix, Quebec, and the Vredefort Dome in South Africa.
- Type
- Meteorite, tektite, or impactite (impactite)
- Group
- Impactite (shock feature)
- Colours
- grey, black, tan, as the host rock
- Transparency
- opaque
- Cleavage and fracture
- breaks into striated cones
Typical values: real specimens vary. For more, see mindat.org.