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Fluorbritholite-(Ce) Augite Zircon

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ZLT834837

Fluorbritholite-(Ce) Augite Zircon

Rare Mineral

Description Tabs

Description
Locality: 
In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2 × 1.7 cm
Description

Rich cluster of pinkish, hexagonal prismatic fluorbritholite-(Ce) on grey-white zircone and black augite. FOV 1.7 mm. The white aggregates are most likely amorphous pseudomorphoses. Some nosean is also present. All on a fraction of a sanidinite ejecta.

Mineral Data
What's on the rock

Fluorbritholite-(Ce)

Formula: 
Ca2(Ce,Ca)3(SiO4,PO4)3(F,OH)
Strunz: 
9.AH.25
Crystal System: 
Hexagonal
Hardness: 
5.0
Type Locality: 
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Augite

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

Zircon

Formula: 
ZrSiO4
Strunz: 
9.AD.30
Crystal System: 
Tetragonal
Hardness: 
7.5
Streak: 
White

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