EF96AM0: Polycrystalline floater of octahedral crystals with marked hopper growths on the faces. These Caldeirão Golds are very special as they contain 99.1% gold and around 0.5% rhodium, which is a greatv rarity. We will send a copy of the analysis to the buyer.
Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso  Brazil (9-12/2015)

Specimen size: 2 × 1.6 × 1.3 cm = 0.79” × 0.63” × 0.51”

Main crystal size: 0.6 × 0.5 cm = 0.24” × 0.20”