These galena spinel twins are from the Brushy Creek Mine, Greeley, Viburnum Trend Mining District, Reynolds County, Missouri, USA. The trend covers an area of approximately 240 square miles. It consists of eight ore bodies that contained dozens of mines including the Brushy Creek Mine. It contained 14 different minerals including galena. It is a sulfide containing the elements Pb, and S. This piece is composed of a combination of cubic, octahedral and spinel twinned galena crystals with dolomite and chalcopyrte crystals attached. It is good from both sides and the bottom has a small former attachment point. This piece measures 1 5/8 x 1 1/8 x 1 inches or 41 x 28 x 25 mm.