dioptase /dī-opˈtās/ (mineralogy)

An emerald-green acid copper silicate

• tickles
• tickle someone's fancy
• tickle the ear of
• tickle the ivories
• tickle to death
• ticklier
• tickliest
• tickling
• ticklings
• ticklish
• ticklishly
• ticklishness
• ticklishnesses
• tickly
• tickly-benders
• tick off
• tick over
• tick-over
• ticks
• tick shop
• tick shops
• tick-tack
• tick-tacks
• tick-tack-toe
• tick-tack-too