green·stone 
(grēnstōn′)
(grēnstōn′)n.
Any of various altered basic igneous rocks colored green by chlorite, hornblende, or epidote.
- call forwarding
- call girl
- calligrapher
- calligraphic
- calligraphist
- calligraphy
- Callimachus
- Callimachus
- call in
- call-in
- calling
- calling card
- call in/into question
- call in question
- call into question
- calliope
- Calliope
- calliopsis
- calliper
- calliper
- callipygian
- callipygous
- callisthenics
- Callisto
- call it a day