Home > Term: thumb-marked fracture
thumb-marked fracture
The minute ripples or thumbmarks characteristic of the fractured surface of amethyst.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Kūrėjas
- ed.young
- 100% positive feedback
(Milwaukee, United States)