Jasper and other semi precious stones.
Natural peigon blood mogok ruby.
Fine and rare gemstones, jadeite.
Turquoise.
Raw jade stone..
Nephrite Jade Stone..
Cpu scrap processors (particularly interested in pentium pro, i486, i386), plated or gold filled jewelry and 925 sterling silver items.
Manganese, copper, nickel, titanium, magnesium, kaolin, beryllium, columbite and rare earth elements.