schalstein /shälˈshtīn/

A slaty diabase tuff

• trewsman
• trewsmen
• trey
• trey-antler
• treybit
• treys
• trey-tine
• trez
• TRH
• tri-
• triable
• triacid
• triaconter
• triaconters
• triact
• triactinal
• triactine
• triad
• triadelphous
• triadic
• triadist
• triadists
• triads
• triage
• triages