Collection of Mark Fenoglio
334 specimens published from MyMinerals 1.0

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Magnetite
No. 0282

San Calixto Magnetite Mine
Potosí Dept., Bolivia

Plate of metallic black octahedrons (to 7 mm edge) on pinkish-gray porphyritic tuff matrix

Purchased in February 2004
 
6.2 x 4.5 x 3.2 cm (small cabinet)

 

 
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