Vivid, turquoise-blue chrysocolla covers the matrix plate on this fine specimen from the less well-known Douglas Hill Mine of Nevada. The chrysocolla has a weird and unusual pockmarked-look to it and some of the chrysocolla is very highly lustrous and botryoidal. Strange. The mine produces copper. Highly representative of the species and locale and seldom available. Ex. Wes Parker Collection, purchased from Doug Wallace who had a lot of this material in the 1990s.