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Varlamoffite & Rashleighite

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SKY591862

Varlamoffite & Rashleighite

Classic Locality

Description Tabs

Description
Locality: 
Gunheath Pit, St Austell, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 2.3 cm
Description

Yellowish crystal aggregates of the rare mineral varlamoffite from this famous English locality, and associated to green rashleighite and yellow acicular crystal groups tentatively identified as fairfieldite or ferromolybdite by the previous owner (see label).

It includes an old label from the Ralph Merril business (Minerals Unlimited) that will be sent to the buyer.

Mineral Data
What's on the rock

Varlamoffite

Formula: 
(Sn,Fe)(O,OH)2
Strunz: 
4.DB.05
Hardness: 
6 - 6.5
Colour: 
Yellow
Streak: 
Light Yellow
Type Locality: 
Kalima, Maniema, Democratic Republic of Congo (Zaïre)

Rashleighite

Variety Of: 

Turquoise

Formula: 
Cu(Al,Fe3+)6(PO4)4(OH)8·4H2O
Strunz: 
8.DD.15
Hardness: 
5.0 - 6.0
Formula: 
Cu(Al,Fe)6(PO4)4(OH)8·5H2O
Hardness: 
0.0
Labels
Label Images - only: Varlamoffite & Rashleighite
Label Images - only: Varlamoffite & Rashleighite
Label Images - only: Varlamoffite & Rashleighite

Seller Information

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