Outcrops in Hardin and Hart counties in central Kentucky and found as nodules.
Color can be dark grey to a dark bluish grey sometimes with cream, pink, orange and red banding.
A vitreous to waxy luster and has good knappability except for pieces with geode, iron sand grain and or fossil inclusions.
photos courtesy of RyanVa
Photo courtesy of Kingede
photos courtesy of Greywolf22
Color can be dark grey to a dark bluish grey sometimes with cream, pink, orange and red banding.
A vitreous to waxy luster and has good knappability except for pieces with geode, iron sand grain and or fossil inclusions.
photos courtesy of RyanVa
Photo courtesy of Kingede
photos courtesy of Greywolf22