Fluorescent Mineral Database

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.

Fluorescence under shortwave UV light.
Fluorescence under shortwave UV light.
Normal light.
Normal light.

Summary of luminescence responses:

Hyalite (Mindat) (RRUFF)

  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Green