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Yttrotantalite-(Y) Monazite-(Ce) & Morganite

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JYJ722420

Yttrotantalite-(Y) Monazite-(Ce) & Morganite

Description Tabs

Description
Locality: 
Høydalen, Tørdal, Drangedal, Vestfold og Telemark, Norway
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.5 × 3.2 cm
Description

A very interesting assemblage of EDS confirmed brown yttrotantalite on cleavelandite and yellow monazite-Ce intergrown with pinkish beryl var. morganite and mica.

Analysis is attached to corresponding section, specimen has the no 2019-03-31-81 & 2018-11-11-31. Comes with an old hand written label from 1968.

Mineral Data
What's on the rock

Yttrotantalite-(Y)

Formula: 
(Y,Ca,U4+,Fe2+)2(Ta,Nb)2O8
Strunz: 
4.DG.10
Hardness: 
5.0 - 5.5
Streak: 
Grey
Type Locality: 
Ytterby, Resarö, Vaxholm, Uppland, Sweden

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...

Morganite

Variety Of: 

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Hardness: 
7.5 - 8.0
Hardness: 
0.0
Analysis
Analysis Report - only: Yttrotantalite-(Y) Monazite-(Ce) & Morganite
Analysis Report - only: Yttrotantalite-(Y) Monazite-(Ce) & Morganite