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Glauconite On Jasper

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SMM873355

Glauconite On Jasper

Analysed

Description Tabs

Description
Locality: 
Sarghentalzu Mine, Padria, Sassari Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 2 cm
Description

Green velvet tufts of glauconite crystals on a red jasper matrix. From an old (2005) personal find only recently analized.Good for the specie.

Boxed with Label
Mineral Data
What's on the rock

Glauconite

Formula: 
(K,Na)(Fe3+,Al,Mg)2(Si,Al,Fe3+)4O10)(OH)2
Hardness: 
2.0
Streak: 
None

Jasper

Variety Of: 

Chalcedony

Hardness: 
6.5 - 7.0
Hardness: 
0.0

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