Luzonite
Lawyers Mine, Treece, Picher Field, Cherokee County, Kansas, USA
Luzonite crystallite, about 2 mm. on dolomite, Lawyers Mine near Treece, Kansas. Picture reproduced from a black and white photograph in: U.S. Geological Survey, 1970, Prof. Paper 588, " Geology and Ore Deposits of the Picher Field, Oklahoma and Kansas", by E. McKnight & R. Fisher (Figure 30, p. 111). The associated text states: "This ...