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Chalcedony

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MGR586263

Chalcedony

Description Tabs

Description
Locality: 
Withlacoochee River, Madison County, Florida, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 9.5 × 3.8 cm
Description

A spectacular geode (with agatized coral inside) with blue to white spheres inside, framed by brown-red agate. The contarst is very eye-catching. Also teh assemble of the spheres is very tridimensional - just look at the dimension from front to back to get an idea. The light, nearly white area is very exposed. Undamaged.

Mineral Data
What's on the rock

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey