Hyalite

Item number: MIN0202

Price: EUR 380.00 

Glass clean, colorless bubbly hyalite (variety of opal) accompany with a little of 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. An excellent specimen!

Format 12 (the sample fits or fills up the box of 94x85x30 mm. Sample might be higher than 30 mm)
Size 95x65x80 mm
Crystal size (max.) 95 mm
Weight 487 g
Locality Valeč, Doupovské Hory Mts., Czech Republic
Accessory mineral(s) Staffelite var. Ca-Fluorapatite