Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Frondelite & Strengite

Views:
Watches:
PAV916788

Frondelite & Strengite

Classic Locality

Description Tabs

Description
Locality: 
Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.7 × 2.1 cm
Description

Amazing frondelite specimen!

It's vey rare to find frondelite with so nicelly formed and isolated crystals!

Several crystrals are displayed over the drusy strengite. As bonus, beraunite and cacoxenite ar also present.

 

 

Collected: 
2021
Boxed with Label
Mineral Data
What's on the rock

Frondelite

Formula: 
Mn2+Fe3+4(PO4)3(OH)5
Strunz: 
8.BC.10
Hardness: 
4.5
Type Locality: 
Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil

Strengite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.10
Hardness: 
3.5 - 4.0
Streak: 
white
Type Locality: 
Eleonore Mine, Rodheim-Bieber, Wetzlar, Hesse, Germany