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Thorianite & Tremolite

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RMM881001

Thorianite & Tremolite

Radioactive

Description Tabs

Description
Locality: 
Millar's Mine, Monmouth Township, Haliburton County, Ontario, Canada
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1 × 0.8 cm
Description

This is a sharp 5.0mm cube of thorianite with tremolite crystals from the Millar Mine.

The corners of the crystal are modified by the octahedron. Under magnification, the outlines of a second interpentrating crystal is evident. 

The identity of the species has been confirmed by EDS. 

 

Mineral Data
What's on the rock

Thorianite

Formula: 
ThO2
Strunz: 
4.DL.05
Hardness: 
6.5 - 7.0
Type Locality: 
Balangoda, Ratnapura District, Sabaragamuwa Province, Sri Lanka

Tremolite

Formula: 
☐{Ca2}{Mg5}(Si8O22)(OH)2
Strunz: 
9.DE.10
Hardness: 
5.0 - 6.0
Streak: 
White
Type Locality: 
Campolungo, Piumogna Valley, Leventina, Ticino (Tessin), Switzerland

Seller Information

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