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Euxenite-(Y)

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UVM758254

Euxenite-(Y)

Radioactive

Description Tabs

Description
Locality: 
Caterpillar Tractor Testing Grounds, Maricopa County, Arizona, United States of America
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.6 × 4.6 × 1.6 cm
Description

A rich specimen of euxenite from the caterpillar proving grounds just west of Phoenix, Arizona.   These specimens were occasionally found  during testing of the tractors and sold to Dave Shannon and Dr. Ray Grant.   These were never common, and this is among the richest specimens from the locality I've ever had to offer.   

Mineral Data
What's on the rock

Euxenite-(Y)

Formula: 
(Y,Ca,Ce,U,Th)(Nb,Ti,Ta)2O6
Strunz: 
4.DG.05
Hardness: 
5.5 - 6.5
Type Locality: 
Undisclosed pegmatite, Jølster, Sogn og Fjordane, Norway

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