Gold Bug Prospect

Ankerite: Yellowish to yellowish-brown, fine-grained aggregates of semi-rhombohedral crystals.
Arsenopyrite: Silvery-gray, aggregates and striated, elongated, prismatic crystals.
Augite: Greenish-black, prismatic crystals and granular aggregates.
Biotite: Black, platy aggregates in metamorphic rocks.
Chalcopyrite: Brassy-yellow granular masses with iridescent film.
Goethite: Fragile, brown, amorphous, earthy masses.
Hematite: Reddish-brown, earthy masses and micaceous, rhombohedral crystals, both with purpleish-red iridescence.
Limonite: Yellowish-brown, earthy masses, covering quartz and filling pyrite casts.
Microcline: Perthitic, blue-gray, stubby, prismatic crystals.
Pyrite: Dark yellow, granular masses and striated cubes.
Pyrolusite: Black, dendritic patterns on weathered rock surfaces.
Quartz: Massive microcrystalline and small hexagonal crystals.