KnowraQuartzLinked fromLinked fromThe 50 pages that link to Quartz, each with the reason it gives.All 50Broader topic 14Related 22Narrower topic 2Compared with 12ChertNarrower topic: Chert is made chiefly of quartz in crystals too small to see individually.Crystal skullNarrower topic: Many famous crystal skulls are carved from quartz, whose hardness affects how it can be worked.