Limonite, Middlegrove Hush, Killhope

Limonite, Middlegrove Hush, Killhope
A mass of brown limonite with an area of black botryoidal limonite lining a cavity. From Middlegrove Hush, Killhope, Weardale.
Part of the Friends of Killhope mineral collection on loan to the museum.