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Calcioancylite Ancylite-(Ce) & Aegirine

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SYM863037

Calcioancylite Ancylite-(Ce) & Aegirine

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.2 × 2.7 cm
Description

Grey sprays of calcioancylite with a few clusters of pink ancylite-ce on aegirine. 

Mineral Data
What's on the rock

Calcioancylite

Synonym Of: 

Calcioancylite-(Ce)

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

Calcioancylite-(Nd)

Formula: 
Ca(Nd,La,Ce)(CO3)2(OH).H2O
Strunz: 
5.DC.05
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

Aegirine

Formula: 
NaFe3+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.25
Crystal System: 
Monoclinic
Hardness: 
6.0
Type Locality: 
Rundemyr, Øvre Eiker, Buskerud, Norway