Idaho 3 Roadcut
- Pyrolusite: Black, dendritic aggregates on weathered surfaces.
- Red Opal: Botryoidal masses and fibrous, radiating, crystals
- White Opal: White to clear, botryoidal masses covering the
basalt and in vugs.
- Wood Opal: Silica replacement of wood.
Mineral Location Map
Mineral Location Index
Latah County Road Map