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
A dark colored opal with internal reflections of green or red.
- girasol
An opal with flaming orange and yellow and red colors.
- harlequin opal
A reddish opal with small patches of brilliant color.