Carbonaceous chondrite
Meteorite, tektite, or impactite
Also called CI chondrite, CM chondrite, and CV chondrite
Take care.
- Damaged by water: Keep it dry: don't wash it, and keep it out of damp places.
- Breaks down in damp air: Keep it dry and in steady humidity; some crumble or rot as they take on moisture.
About it
Dark, often crumbly chondrite rich in carbon, water-bearing clays, and organic compounds, some with white calcium-aluminum-rich inclusions. Includes Allende and Murchison; some types break down if they get wet.
- Type
- Meteorite, tektite, or impactite (stony)
- Group
- Stony meteorite, carbonaceous chondrite
- Lustre
- dull
- Colours
- black, dark grey, with white or light inclusions
- Transparency
- opaque
- Magnetic
- Weakly
Typical values: real specimens vary. For more, see mindat.org.