Opal from Kopasz Hill andesite quarry, Borsod-Abaúj-Zemplén County, Hungary - image 1
Opal from Kopasz Hill andesite quarry, Borsod-Abaúj-Zemplén County, Hungary - image 2

Opal from Kopasz Hill andesite quarry, Borsod-Abaúj-Zemplén County, Hungary

Amazing Opal (var. Hyalite) on andesite matrix. The transparent opal forms a perfect cup and performs intensive neon green fluorescence under short wave ultraviolet light (ex-G-minerals specimen)

Product details

SpeciesOpal
SizeSmall Cabinet
Dimensions5.2 x 3.0 x 2.7 cm
Added on06/04/2025
LocalityHungary, Borsod-Abaúj-Zemplén County, Kopasz Hill andesite quarry

Current owner

Laszlo Kupi Fine Mineral Photography
Laszlo Kupi Fine Mineral Photography
Budapest, Hungary
Member since 2025

Learn more

Opal
Mineral guide
Learn about Opal
amorphous silica with water and a spectacular play-of-color; black, boulder, and fire opal varieties capture brightness, color, and collecting appeal.
Opal
Regional guide
Opal from Kopasz Hill andesite quarry
Contribute
Locality guide
Kopasz Hill andesite quarry
A collector's guide to Kopasz Hill andesite quarry, Hungary: its geology, mining history and notable minerals, illustrated with the 93 specimens documented from this locality on EarthWonders.