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Spessartine & Opal

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TPX837287

Spessartine & Opal

Fluorescent

Description Tabs

Description
Locality: 
Wushan Mine, Tongbei, Yunxiao County, Fujian Province, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.5 × 2.2 cm
Weight: 
16.00gr
Description

Very interesting group of garnets of the spessartine variety on matrix, partially covered by hyalite opal which is very fluorescent in green under long wave ultraviolet light, as you can see in the last photo.

Mineral Data
What's on the rock

Spessartine

Formula: 
Mn2+3Al2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.5
Streak: 
White
Type Locality: 
Sommer quarry, Wendelberg, Haibach, Aschaffenburg, Spessart, Franconia, Bavaria, Germany

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Streak: 
White

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