DESCLOIZITE - Pb(Zn,Cu)[OH I VO4] This is mainly a micro material requiring a microscope. Fine clear honey brownish amber crystals, they look black in picure. Sharp tabular single and double terminated crystals with zoning are visible. Many brilliant shiny crystals covering part of matrix and in and on calcite crystal areas. Comes with a George Stevens Mineral Label. From C & B Mine , (Vanadium Mine) Pinal Co., Arizona. Size is 2' wide by 1-1/2" deep by 1" high.