Hyalite, Staffelite
Item number: MIN0220
Price: EUR 5.00
Glass clean, colorless bubbly hyalite (variety of opal) accompany with white botryoidal Staffelite (variety of Calcium-rich Fluorapatite) grown on the top of Rhyolitic tuff. The hyalite is chipped on the top. From classic location in Valeč, Doupov Mts., the Czech Republic. Collected in 1982 when the locality used to be a strong guarded military zone.
| Format | 70 (the sample fits or fills up the box of 37x37x18 mm. Sample might be little higher) |
|---|---|
| Size | 30x18x18 mm |
| Crystal size (max.) | 20 mm |
| Weight | 9,2 g |
| Locality | Valeč, Doupovské Hory Mts., Czech Republic |