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Calcioancylite-(Ce) & Ancylite-(Ce)

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CSL517930

Calcioancylite-(Ce) & Ancylite-(Ce)

Rare Mineral

Description Tabs

Description
Locality: 
Afrikanda Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 0.6 × 0.7 cm
Description

Groups of tiny brown calcioancylite-(Ce) crystals on larger and paler brown ancylite-(Ce) crystals in vuggy magnetite matrix. Analyzed material

Mineral Data
What's on the rock

Calcioancylite-(Ce)

Formula: 
(Ca,Sr)Ce(CO3)2(OH)·H2O
Strunz: 
5.DC.05
Crystal System: 
Orthorhombic
Hardness: 
4.0 - 4.5

Ancylite-(Ce)

Formula: 
SrCe(CO3)2(OH)·H2O
Strunz: 
5.DC.05
Crystal System: 
Orthorhombic
Hardness: 
4.0 - 4.5
Streak: 
White
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland
Loranth Minerals

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