Indochinite
Meteorite, tektite, or impactite
Also called Australasian tektite
About it
Black tektite glass from the vast Australasian strewn field, about 790,000 years old, found in Thailand, Laos, Vietnam, and southern China. Shapes include drops, discs, dumbbells, and layered Muong Nong blocks.
- Type
- Meteorite, tektite, or impactite (tektite)
- Group
- Tektite (Australasian)
- Hardness (Mohs)
- 5–6
- Specific gravity
- 2.3–2.5
- Lustre
- vitreous (glassy)
- Colours
- black, very dark brown, olive brown on thin edges
- Transparency
- translucent, opaque
- Cleavage and fracture
- none; conchoidal fracture
Typical values: real specimens vary. For more, see mindat.org.