Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Magnanelliite Alum-(K) & Melanterite

Views:
Watches:
TBM1089362

Magnanelliite Alum-(K) & Melanterite

Type Locality

Description Tabs

Description
Locality: 
Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2 × 4 × 3 cm
Largest Crystal: 
0.10cm
Weight: 
16.00gr
Description

Very nice and rare yellow-orange Magnanelliite (TL) crystals up to 1 mm with white Alum-(K) crystals and light-blue Melanterite crystals. Minerals analyzed

Mineral Data
What's on the rock

Magnanelliite

Formula: 
K3Fe3+2(SO4)4(OH)(H2O)2
Crystal System: 
Monoclinic
Type Locality: 
Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy...

Alum-(K)

Formula: 
KAl(SO4)2·12H2O
Strunz: 
7.CC.20
Hardness: 
2.0

Melanterite

Formula: 
FeSO4·7H2O
Strunz: 
7.CB.35
Hardness: 
2.0
Streak: 
White.