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Julgoldite-(Fe3+) & Chalcedony

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TPX704030

Julgoldite-(Fe3+) & Chalcedony

Type Locality

Description Tabs

Description
Locality: 
Jalgoan Quarries, Maharashtra, India
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.6 × 3 cm
Weight: 
40.00gr
Description

Spectacular and very aesthetic group of rare julgoldite crystals on chalcedony matrix. This beauty really looks like a sculpture, spectacular.

Mineral Data
What's on the rock

Julgoldite-(Fe3+)

Formula: 
Ca2(Fe3+,Mg)(Fe3+,Al)2(Si2O7)(SiO4)(OH,O)2·H2O
Strunz: 
9.BG.20
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Långban, Filipstad, Värmland, Sweden

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

Seller Information

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