Rosell Minerales

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RM1555   Quartz var. Chalcedony

Smara, Es-Semara, LaĆ¢youne-Sakia El Hamra, Morocco

A floater nodule with blackish and whitish spheroidal forms with some visible crystalline faces. They're a silicified fossil sponge which have preserved the original morphology of the biological specimens.

Size: 4.4 x 3.2 x 3.0 cm.
Found in 2016