Hyalite, Staffelite

Item number: MIN0210

Price: EUR 85.00 

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. 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 35 (the sample fits or fills up the box of 55x51x25 mm. Sample might be little higher)
Size 55x42x50 mm
Crystal size (max.) 22 mm
Weight 93 g
Locality Valeč, Doupovské Hory Mts., Czech Republic