Yttromicrolite (of Hogarth)
Nya Kårarvet, Kårarvet, Falun, Dalarna County, Sweden
Yttromicrolite (of Hogarth) - black sections associated with white feldspar, brown platy mica and an unidentified green crystalline mineral. From Kårarvet, Falun, Dalarna, Sweden, but this locality was not available from locality menu.
© Christopher O'Neill