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Mineralpedia Details for Cesarolite

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Cesarolite

Cesarolite

Named in honor of Giuseppe Raimondo Pio Cesaro, a Professor of Mineralogy and Crystallography at the University of Liege in Belgium. Cesarolite is a rare mineral that occurs in cavities in galena in localities in Tunisia, the United States, Japan, and Germany, among only a few others. Associated minerals in clued galena and coronadite. Cesarolite is commonly opaque and a steely-gray in color with a dull to submetallic luster.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/cesarolite.pdf

Formula
PbMn4+3O6(OH)2 
Crystal System
Trigonal 
Crystal Habit
Friable, Botryoidal, Encrustations 
Luster
Sub Metallic 
Color
gray, steel gray 
Class
Trigonal 
Hardness
4.5 
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Cesarolite from Sidi Amor ben Salem mine, Tajerouine, Al Kef, Tunisia

Cesarolite
            from Sidi Amor ben Salem mine, Tajerouine, Al Kef, Tunisia

Rounded masses to 6mm in Calcite matrix.

Dull black sub-metallic, rounded or botryoidal crystals to 2mm.

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