Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Coquimbite Römerite Halotrichite

Views:
Watches:
QBM936656

Coquimbite Römerite Halotrichite

Description Tabs

Description
Locality: 
Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.9 × 2.3 cm
Description

A mesmerizing specimen of colorful coquimbite with romerite and halotrichite from an amazing find in Monte Arsiccio Mine, Tuscany, Italy. The piece comes from unique find of the “Great Sulphates Geode” in December 2018. It displays coquimbite crystals with a rich purple color. Brown romerite crystals are seen at the top. They form an excellent focal point. Some hairy white halotrichite needles grow on the back side. In order to preserve the specimen for a long time it must be stored in a box, isolated from the humidity changes. In very good condition. On acrylic base.

Beautiful!

Shipping weight up to 0.500kg

#19834

Mineral Data
What's on the rock

Coquimbite

Formula: 
Fe2-xAlx(SO4)3·9H2O, x ~0.5
Strunz: 
7.CB.55
Hardness: 
2.5
Streak: 
white
Type Locality: 
Coquimbo Region, Chile

Römerite

Formula: 
Fe2+Fe3+2(SO4)4·14H2O
Strunz: 
7.CB.75
Hardness: 
3.0 - 3.5
Type Locality: 
Rammelsberg Mine, Rammelsberg, Goslar, Harz, Lower Saxony, Germany

Halotrichite

Formula: 
FeAl2(SO4)4·22H2O
Strunz: 
7.CB.85
Hardness: 
1.5 - 2.0
Streak: 
White