TT46AL4: Floater specimen with arborescent growths of elongated octahedral-rhombododecahedral crystals and with highly profiled parallel skeletal forms. The deposit is no longer in production and new specimens from there will be hard to come by. We have analyzed these Golds and they are very special, containing 99.1% Gold and about 0.5% Rhodium, which is rare. We will send a copy of the analysis to the buyer.
If you want to know more about these Golds you can use this link
Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso  Brazil (09-12/2015)

Specimen size: 2.2 × 1.5 × 0.8 cm = 0.87” × 0.59” × 0.31”