Palouse Divide Road

Actinolite: Light to dark-green, elongated, prismatic crystals.
Apatite: Greenish-white, hexagonal, prismatic crystals.
Biotite: Black, foliated, platy aggregates.
Limonite: Yellowish-brown coating on quartz.
Microcline: Pinkish-white, small prismatic crystals in the granite and large crystals in the pegmatite.
Muscovite: Yellowish-brown, thick, foliated books.
Phlogopite: Small, yellowish-brown, six-sided plates in granite.
Pyrolusite: Black, dendritic, coatings on weathered surfaces.
Quartz: Small crystals in granite and large crystals in pegmatite.
Titanite: Honey-brown, small, wedge-shaped crystals.
Tremolite: White to light-green, elongated, prismatic crystals.