Rock 366 : Day 96 : Psilomelane

Rock3660391

Day 96 : Psilomelane, an obsolete group name for hard black manganese oxides. From Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Brazil. Keele collection.

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>