marekanite

名词 n.
中文释义

英文释义

名词 n.
  1. An Apache tear (obsidian nodule). countable,uncountable
    — Marekanite balls from Corinto in Nicaragua are described; they are about the size of hazel-nuts, and black, with vitreous lustre.
  2. The material which such nodules consist of. countable,uncountable
    — But the nature of marekanite is now well understood. It is the perlitic or subpumiceous modification of a glassy rhyolitic rock in situ on […]

词形变化

marekanites plural
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