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Hyalite

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MGR542471

Hyalite

Description Tabs

Description
Locality: 
Monok, Zemplén Mountains, Borsod-Abaúj-Zemplén County, Hungary
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.8 × 4.1 cm
Description

Hyalite in "geode" from a classic Hungarian locality Fluoresces bright green under UV illumination. The Hyalite is glassy and very glossy.

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