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Pyracmonite & Ammoniomagnesiovoltaite

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GMN847129

Pyracmonite & Ammoniomagnesiovoltaite

Description Tabs

Description
Locality: 
Pécs-Vasas, Pécs, Mecsek Mountains, Baranya County, Hungary
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1 cm
Description

Thousands of grey-blackish green rhombdodecahedric ammoniomagnesiovoltaite crystals, with pyracmonite sprays of colourless-white columnar crystals. Associated with  brown- golden clairite aggregates of hexagonal tabular crystals. Three rare minerals on one specimen.
 

Mineral Data
What's on the rock

Pyracmonite

Formula: 
(NH4)3Fe(SO4)3
Strunz: 
7.AC.08
Hardness: 
0.0
Type Locality: 
La Fossa crater, Vulcano Island, Lipari, Eolie Islands (Aeolian Islands), Messina Province, Sicily, Italy

Ammoniomagnesiovoltaite

Formula: 
(NH4)2Mg2+5Fe3+3Al(SO4)12·18H2O
Strunz: 
7.CC.25
Hardness: 
0.0
Type Locality: 
Pécs-Vasas, Pécs, Mecsek Mts, Baranya Co., Hungary

Seller Information

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