Extraordinary uvarovite from Keretti Mine Minerals 10:35 PM A+ A- Print Email Photo : © UndertheScopemin Uvarovite, Sphalerite, Diopside Uvarovite is a chromium-bearing garnet group species.Mohs scale hardness 6.5–7.5 Luster Vitreous Streak White Extraordinary, not re-attached uvarovite from Keretti Mine, Eastern Finland.