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Mpororoite & Jeanbandyite

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BCK682585

Mpororoite & Jeanbandyite

David Burgess Collection
Rare Mineral

Description Tabs

Description
Locality: 
Hingston Down Consols, Calstock, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 4.8 × 3.2 cm
Description

You are bidding on a large sample of massive ferberite with a vuggy section on one end hosting some yellowish-white films and crusts of very rare mpororoite with dozens of tiny yellow octahedra of jeanbandyite/natanite. There are also other small vugs in the sample with ferberite prisms, minor scorodite, pharmacosiderite crystals and other unidentified minerals. Rich and unusual paragenesis. David Burgess collection from Pequa Minerals stock. 

Mineral Data
What's on the rock

Mpororoite

Formula: 
WAlO3(OH)3·2(H2O)
Strunz: 
7.GB.35
Hardness: 
0.0
Type Locality: 
Mpororo W Deposit, Kisoro, Kigezi District, Uganda

Jeanbandyite

Formula: 
(Fe2+,Mn2+)[Sn4+(OH)6]
Strunz: 
4.FC.15
Crystal System: 
Tetragonal
Hardness: 
3.5
Type Locality: 
Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province (Bustillos Province), Potosí Department, Bolivia

Seller Information

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