dioptase /dī-opˈtās/ (mineralogy)

An emerald-green acid copper silicate

• lobby correspondent
• lobby correspondents
• lobbyer
• lobbyers
• lobbying
• lobbyings
• lobbyist
• lobbyists
• lobby-member
• lobby-members
• lobby system
• lobby systems
• lobe
• lobectomies
• lobectomy
• lobed
• lobe-foot
• lobe-footed
• lobeless
• lobelet
• lobelets
• lobelia
• Lobeliaceae
• lobelias
• lobeline