Opal
Hydrated amorphous silica. Its brilliant play of color results from diffraction and interference of light passing through internal planes of silica spheres.
(2.16 points)
| Rank | Name | Unlocked |
|---|---|---|
| 1 | Prezombie | 05/26/2015 05:41:05 |
| 2 | JSL555 | 11/07/2021 06:34:45 |