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Natrojarosite With Agardite & Cuprian Adamite

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CLB134438

Natrojarosite With Agardite & Cuprian Adamite

ex coll. Kles
Classic Locality

Description Tabs

Description
Locality: 
Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Size Range: 
Cabinet (10-18 cm)
Size: 
10.6 × 6 × 4.5 cm
Description

Very rich specimen with dozens of orange-brown natrojarosite crystals with a 'lawn' of acicular, pale green agardite and dark green cuprian adamite crystals. Both sides very interesting.

Mineral Data
What's on the rock

Natrojarosite

Formula: 
NaFe3(SO4)2(OH)6
Strunz: 
7.BC.10
Hardness: 
2.5 - 3.5
Type Locality: 
Soda Springs Valley, Mineral Co., Nevada, USA

Agardite

Synonym Of: 

Agardite-(Ce)

Formula: 
CeCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(La)

Formula: 
LaCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(Nd)

Formula: 
NdCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(Y)

Formula: 
YCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Cuprian Adamite

Variety Of: 

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Hardness: 
3.5
Formula: 
(Zn,Cu)2AsO4OH
Hardness: 
0.0

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