mineralogical glass/meteorite impactite
Tektite (Indochinite)
Tektite (High-silica natural glass)
Hardness: 5.5-6.5 Mohs; Color: Black, dark brown to olive green; Luster: Subvitreous to vitreous; Crystal structure: Amorphous (glassy); Specific gravity: 2.3-2.5; Features: Distinctive pitted, grooved or 'regmaglypt-like' surface texture.
- Hardness
- 5
- Color
- Black, dark brown to olive green
- Luster
- Subvitreous to vitreous
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Physical properties
Hardness: 5.5-6.5 Mohs; Color: Black, dark brown to olive green; Luster: Subvitreous to vitreous; Crystal structure: Amorphous (glassy); Specific gravity: 2.3-2.5; Features: Distinctive pitted, grooved or 'regmaglypt-like' surface texture.
Formation & geological history
Formed when a massive meteorite impacts Earth, melting terrestrial crustal rocks and ejecting them into the atmosphere where they solidify into glass before falling back. Most Indochinites are approximately 700,000 to 800,000 years old.
Uses & applications
Primarily collected by mineral enthusiasts, used in jewelry (wire-wrapping), and sought after in metaphysical communities for its 'extraterrestrial' energy.
Geological facts
While they look like meteorites, tektites are actually terrestrial material that traveled through space briefly; they are among the driest known minerals, containing almost no water content.
Field identification & locations
Identified by their glass-like fracture, lack of internal crystals, and aerodynamic shapes (teardrops, buttons, or splash forms). Commonly found in the Indochinese strewn field (Thailand, Vietnam, Cambodia).
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