covellite /kō-velˈīt or kōˈvə-līt/

A blue mineral, cupric sulphide

• crop
• cropbound
• crop circle
• crop circles
• cropduster
• cropdusters
• crop-dusting
• crop-ear
• crop-eared
• crop-ears
• cropful
• cropfull
• cropfuls
• cropland
• croplands
• crop-marks
• cropped
• cropper
• croppers
• croppies
• cropping
• croppings
• croppy
• crop rotation
• crops