Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
natural glass
|
| gptkbp:color |
black
brown green |
| gptkbp:composition |
silica-rich glass
|
| gptkbp:density |
2.3 to 2.5 g/cm³
|
| gptkbp:discoveredBy |
late 18th century
|
| gptkbp:formedBy |
meteorite impact
|
| gptkbp:foundIn |
gptkb:Central_Europe
gptkb:Ivory_Coast gptkb:North_America gptkb:Australasia |
| gptkbp:hardness |
6 to 7 Mohs
|
| gptkbp:nameOrigin |
Greek 'tektos' meaning 'melted'
|
| gptkbp:notableFeature |
aerodynamic shapes
pitted surface |
| gptkbp:subspecies |
gptkb:australite
gptkb:bediasite gptkb:indochinite gptkb:moldavite |
| gptkbp:usedFor |
gptkb:jewelry
collecting |
| gptkbp:bfsParent |
gptkb:microtektites
|
| gptkbp:bfsLayer |
6
|