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Lokkaite-(Y)

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RMM545121

Lokkaite-(Y)

Radioactive

Description Tabs

Description
Locality: 
Cardiff Uranium Mine, Cardiff Township, Haliburton County, Ontario, Canada
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.5 × 1 cm
Description

This is a specimen of lokkaite-Y on thorite (radioactive) and diopside. Lokkaite - Y is an alteration product of rare earth minerals and occurs as white, very fine grained (less than 0.1mm) crystalline crusts along fractures. The mineral fluoresces weakly red in SWUV.

The ID of this specimen has been confirmed by EDS. See the analysis tab for the report.

Mineral Data
What's on the rock

Lokkaite-(Y)

Formula: 
Ca(Y,Gd,Nd,Dy)4(CO3)7·9H2O
Strunz: 
5.CC.15
Crystal System: 
Orthorhombic
Hardness: 
0.0
Streak: 
white
Type Locality: 
Pyörönmaa pegmatite, Kangasala, Western and Inner Finland Region, Finland
Analysis
Analysis Report - only: Lokkaite-(Y)

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