gemmological
adjective
gem·mo·log·i·cal
variants or gemological
¦jemə¦läjə̇kəl 
: of or relating to a gem or gemmology
- indecision
- indecisions
- indecisive
- indecisively
- indecisiveness
- indecisivenesses
- indeclinable
- indecomponible
- indecomposable
- indecorous
- indecorously
- indecorousness
- indecorousnesses
- indecorum
- indecorums
- indeed
- indeedder
- indeeddest
- indeeder
- indeedest
- indeeds
- indeedy
- indef
- indefatigabilities
- indefatigability