Bastard quartz

From WebRef.org
Jump to navigationJump to search RELX 2020 Black Friday
  1. See: bull quartz
  2. A round or spherical boulder of quartz embedded in soft or decomposed rock. AGI

Source: Dictionary of Mining, Mineral, and Related Terms


Sponsor: 6th night free. Make up for missed travel. Up to 30% off all-inclusive luxury at Moon Palace Jamaica. Safe travels. Book now!

Corsi di lingue divertente fatti per sperti