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Hyalite

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KOV813280

Hyalite

Fluorescent

Description Tabs

Description
Locality: 
Kopasz Hill, Tállya, Zemplén Mountians, Borsod-Abaúj-Zemplén County, Hungary
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 4 × 2.8 cm
Weight: 
17.16gr
Description

A fine Hyalite (Opal-AN), smooth and waterclear botryoidal form, with a clear vivid green fluorescence. On white Aragonite matrix which also fluoresces in yellowish blue colors. A nice miniature in perfect shape.

Mineral Data
What's on the rock

Hyalite

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white