Moldavite
Meteorite, tektite, or impactite
Also called Vltavín
About it
Bottle-green tektite glass with a deeply sculpted, wrinkled surface and swirled bubbles inside, made by the Ries crater impact in Germany about 15 million years ago. Found in southern Bohemia; glass fakes are common.
- Type
- Meteorite, tektite, or impactite (tektite)
- Group
- Tektite (Central European)
- Hardness (Mohs)
- 5.5–6
- Specific gravity
- 2.3–2.4
- Lustre
- vitreous (glassy)
- Colours
- bottle green, olive green, brownish green
- Transparency
- transparent, translucent
- Cleavage and fracture
- none; conchoidal fracture
Typical values: real specimens vary. For more, see mindat.org.