Gold (variety electrum) with Calcite

R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)

Specimen size: 4.5 × 3.3 × 1.4 cm = 1.77” × 1.30” × 0.55”
Main crystal size: 0.7 × 0.3 cm = 0.28” × 0.12”