A glassy crown of Hyalite Opal which shows strong green fluorescence in Shortwave (254nm) UV. These specimens appeared at this location between 2013 and 2015 with very few found since. A nicely presenting miniature. Kopasz Hill, Tarcal, Tokaj, Hungary. 1" x .75" x 1", .2 oz.
Hyalite Opal - SW/UV Reactive - Kopasz Hill, Hungary
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