One of the most beautiful hyalites in the world are the hyalites from Valeč u Podbořan, Doupovské Hory, Czech Republic. Hyalite forms colorless, glassy, translucent to transparent, grape and kidney-shaped aggregates that grow on basalt tuff together with milky white carbonato-fluorapatite, the so-called "sttafelite". The mineral shines under a UV lamp. The pattern is formatted with an undercut at the bottom. Specimen has size 4,6 x 5,1 x 4,0 cm.
Origin | Europe » Czech Republic |
Size category | Miniature (4-7 cm) |
Size | 4,6 x 5,1 x 4,0 cm |
Weight | 93 g |
The biggest crystal | 2,7 x 1,3 x 2,1 cm |