A nice example of an incompletely developed crown of hyalite – vitreous opal from the world-famous locality. A sample of vitreous amorphous aggregates of hyalite from the classic Valeč locality.
Localities, Czech Republic, Mineral Classification, Oxides
Hyalite
$10
Availability: In stock
Location: Valec, Czech Republic
Dimension: 45 × 90 × 50 mm
