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Beryl With Monazite-(Ce) & Muscovite

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CLB88025

Beryl With Monazite-(Ce) & Muscovite

ex collection Wittig
Classic Locality

Description Tabs

Description
Locality: 
Lauvland #4 Quarry, Evje og Hornnes, Agder, Norway
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.3 × 4 cm
Largest Crystal: 
5.60cm
Description

Two, unfortunately damaged, yellow beryl crystals in feldspar matrix with a brown, broken crystal of (most probably) monazite-ce (named as blomstrandite, which was betafite, which is discredited and now pyrochlore - but this is not known from Brattekleiv quarry - sigh!).

At best an interesting sample with something to analyze and discover.

Mineral Data
What's on the rock

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Crystal System: 
Hexagonal
Hardness: 
7.5 - 8.0
Streak: 
White

Monazite-(Ce)

Formula: 
(Ce,La,Nd,Th)(PO4)
Strunz: 
8.AD.50
Hardness: 
5.0 - 5.5
Type Locality: 
Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White

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