Home >  Term: obsidian
obsidian

A hard, dark-colored rock of a glassy structure found in lava, which breaks with conchoidal fracture.

0 0

ผู้สร้าง

  • JohannesDD
  • (Sydney, Australia)

  •  (V.I.P) 14638 points
  • 100% positive feedback
© 2024 CSOFT International, Ltd.