Tektite
Meteorite, tektite, or impactite
About it
Natural glass made when a large impact melted surface rock and flung it far away; usually black, pitted, and shaped like drops, discs, or dumbbells, found in strewn fields. Includes moldavite, indochinites, and bediasites of Texas.
- Type
- Meteorite, tektite, or impactite (tektite)
- Group
- Tektite
- Hardness (Mohs)
- 5–6
- Specific gravity
- 2.3–2.5
- Lustre
- vitreous (glassy)
- Colours
- black, dark brown, green
- Transparency
- translucent, opaque
- Cleavage and fracture
- none; conchoidal fracture
Typical values: real specimens vary. For more, see mindat.org.