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Bastnäsite-(Ce) Xenotime-(Y)

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SMM772635

Bastnäsite-(Ce) Xenotime-(Y)

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 1.5 cm
Description

Beautiful groups of crossed, tabular crystals, hexagonal cream white of bastnasite- (Ce) and other smaller hexagonal barrel. Some tabular crystals show a vitreous crystalline outline, it could be another different species but it was not analyzed. The matrix is formed by aegirine crystals and good reddish-brown xenotime- (Y) crystals.
Intriguing sample!

Boxed with Label
Mineral Data
What's on the rock

Bastnäsite-(Ce)

Formula: 
(Ce,La)(CO3)F
Strunz: 
5.BD.20a
Crystal System: 
Hexagonal
Hardness: 
4.0 - 4.5
Type Locality: 
Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden

Xenotime-(Y)

Formula: 
Y(PO4)
Strunz: 
8.AD.35
Crystal System: 
Tetragonal
Hardness: 
4.0 - 5.0
Type Locality: 
Hidra (Hitterø), Flekkefjord, Vest-Agder, Norway

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