1. A reddish opal with small patches of brilliant colour

Derived forms: harlequin opals

Type of: opal

• pen
• pen name
• pen nib
• pen pal
• pen up
• pen-and-ink
• pen-friend
• pen-tailed tree shrew
• penal
• penal code
• penal colony
• penal facility
• penal institution
• penalisation
• penalise
• penalization
• penalize
• penally
• penalty
• penalty area
• penalty box
• penalty free throw
• penalty kick
• penalty spot
• penance