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Augite Scapolite Allanite-(Ce) & Titanite

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CFL895513

Augite Scapolite Allanite-(Ce) & Titanite

Description Tabs

Description
Locality: 
Maniwaki Occurrences, Lac-Pythonga, Outaouais, Québec, Canada
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3 × 2.5 cm
Description

Very nice specimen of augite crystals associated with scapolite, allanite-(Ce) and titanite.  Collected in 2011 from a small pegmatite vein rich in orange calcite, similar to the famous Yates Mine near Otter Lake.

Mineral Data
What's on the rock

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

Allanite-(Ce)

Formula: 
{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Qáqarssuatsiaq, Aluk Island, Kap Farvel, Kujalleq, Greenland

Titanite

Formula: 
CaTi(SiO4)O
Strunz: 
9.AG.15
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Titanite occurrence, Hauzenberg, Lower Bavaria, Bavaria, Germany

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