Hyalite from Kopasz Hill, Hungary
Contributed by: FMS Admin
Date: Mar 7th, 2026
Locality: Kopasz Hill andesite quarry, Tarcal, Tokaj District, Borsod-Abaúj-Zemplén County, Hungary (See on Mindat)
Description:
Hyalite on andesite matrix.
Originally published by Wish Wang on Nature’s Rainbows.
Summary of luminescence responses:
Hyalite (Mindat) (RRUFF)
- Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Green

