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Mineralpedia Details for Altaite

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Altaite

Altaite

Formula
PbTe 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular 
Cleavage
Perfect, Perfect, Perfect 
Luster
Metallic 
Color
tin white, yellowish tin white, bronze yellow 
Streak
black 
Class
Isometric - Hexoctahedral 
Fracture
Brittle 
Hardness
2.5 
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Altaite from Toburn mine, Kirkland Lake Twp, Timiskaming dist., Ontario, Canada

Altaite
            from Toburn mine, Kirkland Lake Twp, Timiskaming dist., Ontario, Canada

A very rich specimen of Altaite, a rare telluride of lead. The silver veinlets are occur throughout the specimen with rich Gold throughout the specimen. 

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Altaite from Hilltop mine, Organ dist., Dona Ana Co., New Mexico, United States

Altaite
            from Hilltop mine, Organ dist., Dona Ana Co., New Mexico, United States

This specimen is nearly all Altaite. You might think the brassy colored veins are Pyrite. But, examination under the scope reveals a sectility like butter. It is tarnished and fresh is a silvery color. The Tellurium is brittle and is scare on this specimen. 

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