Rich and beautiful specimen of glass opal – hyalite from Valeč. Very nice specimen of colorless amorphous aggregates of hyalite, which form a large crown on a flat sample of volcanic rock; the specimen has a cut base!
Localities, Czech Republic, Mineral Classification, Oxides, Size, Medium
Hyalite
$15
Availability: In stock
Location: Czech Republic, Valeč
Dimension: 18 × 78 × 83 mm