Opal

Of mineral and opaque gem.

A translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones.

This concept's ID is @1~74159

Contains

  • black opal 0 facts

    A dark colored opal with internal reflections of green or red.

  • girasol 0 facts

    An opal with flaming orange and yellow and red colors.

  • harlequin opal 0 facts

    A reddish opal with small patches of brilliant color.