Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Hyalite

Views:
Watches:
RHT765308

Hyalite

ex collection Eugen Kreidler, ex Franckh-Verlag, Stuttgart Kosmos Lehrmittel
Fluorescent

Description Tabs

Description
Locality: 
Kirchberg Quarry, Oberrotweil, Vogtsburg im Kaiserstuhl, Freiburg, Baden-Württemberg, Germany
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.4 × 2 cm
Weight: 
49.00gr
Description

Very nice old sample of botryoidal, fluorescent hyalite (opal-an) from the Kaiserstuhl in Baden-Württemberg.

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