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Ichnusaite & Nuragheite

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SMM659509

Ichnusaite & Nuragheite

Type Locality
Rare Mineral

Description Tabs

Description
Locality: 
Punta de Su Seinargiu, Sarroch, Cagliari Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.3 × 1 cm
Description

An exceptionally rich sample, I can say the richest to date, with at least four distinct groups with many, thin, tabular, pseudo-hexagonal crystals, with micaceous gloss, with some reddish nuances due to iron oxides. Ichnusaite and nuragheite are two extremely rare thorium and molybdenum minerals, (IMA approved 2013-2014), which are often in close association, are not distinguishable between them except with an XRD tests, this sample was subjected to a non-destructive test, which confirmed the presence of the two elements Mo and Th. 

Very few samples was found and this is outstanding!

Boxed with Label
Mineral Data
What's on the rock

Ichnusaite

Formula: 
Th(MoO4)2·3H2O
Hardness: 
0.0
Colour: 
Colorless
Type Locality: 
Punta de Su Seinargiu (Su Senargiu), Sarroch, Cagliari Province, Sardinia, Italy

Nuragheite

Formula: 
Th(MoO4)2·H2O
Hardness: 
0.0
Type Locality: 
Punta de Su Seinargiu (Su Senargiu), Sarroch, Cagliari Province, Sardinia, Italy

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