bipyramid /bī-pirˈə-mid/

A crystal form of two pyramids base to base

• full blues
• full board
• full-bodied
• horse-drench
• horse-drenches
• horse-faced
• horse fair
• horse fairs
• horsefeathers
• horseflesh
• horsefleshes
• horseflesh ore
• horseflies
• horsefly
• horse-foot
• horse-godmother
• horse-godmothers
• horse-gowan
• horse-gowans
• horse guards
• horsehair
• horsehairs
• horsehair worm
• horsehide
• horsehides