A partly mammillary crust of a light and dark blue color partially covers the surface of this specimen.
It is posnjakite, an uncommon copper sulfate and is mixed with devilline and langite.
The green crust is of malachite.
 Specimen weight:85 gr.
 Crystal size:--
 Overall size: 58mm x 47 mm x 37 mm
List Price: € 46,00
Our Price:€ 34,00
You Save: € 12,00 (26%)
 GMineral (Voghera - Italy) GMineral Gallery Main
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