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Ancylite-(La)

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CHP840787

Ancylite-(La)

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Description
Locality: 
Lugar da Nave Quarry, Nave, Monchique, Faro District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.8 × 1.7 cm
Description

specimen with some very good analysed (new discovery) white (colourless) crystals of the rare ancylite-(La) on matrix.

ex collection Pedro Alves

c. 1644

Mineral Data
What's on the rock

Ancylite-(La)

Formula: 
Sr(La,Ce)(CO3)2(OH)·H2O
Strunz: 
5.DC.05
Crystal System: 
Orthorhombic
Hardness: 
4.0 - 4.5
Streak: 
White
Type Locality: 
Marchenko Peak, Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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