Home > Term: Rock glas
Rock glas
Obsidian of andere vulkanisch glas.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Δημιουργός
- Lina Olesen
-
(V.I.P) 59638 points - 100% positive feedback
(Copenhagen, Denmark)
