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Thunder Egg With Quartz

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PDM1112770

Description Tabs

Description
Locality: 
Oregon, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.7 × 10.3 × 5.1 cm
Weight: 
558.00gr
Description

A 0.5 Kg agate thunder egg with a triangular cavity, richly filled by quartz crystals. Some quartz crystals are encrusted by a carbonate, that shows white fluorescence under long and short UV. The cavity borders are strongly fluorescent in green under short UV. Free of damages the front is cut and polished. 

Acquired at the Tucson show in 1984 by Dr. Gerard Vogel. 

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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