Call number:
C21
Classification:
Oxides
Greek Minerals
Greek Minerals
Name:
Πυρολουσίτης
Translated title:
Pyrolusite
Place of origin:
Vani / Milos isl., Greece
Depositional environment:
Seafloor hydrothermal deposition
Donor:
A. Tsolakos
Description:
Black botryoidal pyrolousite. The Vani manganese deposit is the unique occurrence of fossilized white smokers system. Pyrolusite is associated with coronadite, ramsdelite and barite.
Chemical formula:
b-MnO2
Crystal system:
Tetragonal
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