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Betafite (of Hogarth 1977)

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LGM820297

Betafite (of Hogarth 1977)

ex Marcus Lueg personal collection
Radioactive

Description Tabs

Description
Locality: 
Silver Crater Mine, Faraday Township, Hastings County, Ontario, Canada
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1.4 cm
Largest Crystal: 
1.60cm
Weight: 
8.90gr
Description

A group of well-developed, cubo-octahedral betafite crystals. The locality 'Silver Crater Mine, Faraday Township, Hastings County, Ontario, Canada' is famous for its defined and sharp betafite crystals. In opposite to those from madagascar, they are quite fresh and have no tan-colored alteration crust on the surface.

Radioactive due to content of U, Th and/or rare earth elements (appr. 18.5 micro Sv/h within spitting distance).

Mineral Data
What's on the rock

Betafite (of Hogarth 1977)

Formula: 
(Ca,U)2(Ti,Nb)2O6(OH)
Strunz: 
4.DH.15
Crystal System: 
Isometric
Hardness: 
3.0 - 5.5
Type Locality: 
Ambolotara, Betafo Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar

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