Grains of the rare silicate mineral beryl – tugtupite with the ability of so-called tenebrescence (after exposure to UV radiation, it temporarily changes color).
Grains of the rare silicate mineral beryl – tugtupite with the ability of so-called tenebrescence (after exposure to UV radiation, it temporarily changes color).
| Weight | 106 g |
|---|---|
| Dimensions | 35 × 46 × 51 mm |
