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Allanite-(Ce) & Britholite-(Ce) & Zircon & Nosean

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SHS756121

Allanite-(Ce) & Britholite-(Ce) & Zircon & Nosean

Description Tabs

Description
Locality: 
Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.3 × 1 cm
Description

Nice allanite ce with britholite ce, zircon, nosean and augite crystals on matrix

Mineral Data
What's on the rock

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

Britholite-(Ce)

Formula: 
Ca2(Ce,Ca)3(SiO4,PO4)3(OH,F)
Strunz: 
9.AH.25
Crystal System: 
Hexagonal
Hardness: 
5.5
Type Locality: 
Naujakasik (Naajakasik), Tunulliarfik Fjord (Tunugdliarfik), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Zircon

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

Nosean

Formula: 
Na8(Al6Si6O24)(SO4)·H2O
Strunz: 
9.FB.10
Hardness: 
5.5
Type Locality: 
Sandkuhle, Maria Laach, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany
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