Pink grains of the rare beryllium silicate tugtupite with the ability of so-called tenebrescence (changes color temporarily when exposed to UV radiation). The specimen is cut from the front and back.
Pink grains of the rare beryllium silicate tugtupite with the ability of so-called tenebrescence (changes color temporarily when exposed to UV radiation). The specimen is cut from the front and back.
| Weight | 15 g |
|---|---|
| Dimensions | 12 × 30 × 30 mm |
