Harvard-Deary Basalt Quarry

• Mineral Photos
• Location Map

Minerals Present

• Calcite: White to yellow crystals in basalt vugs and a coating on basalt.
• Hematite: Deep-red, granular masses.
• Labradorite: Clear to yellowish-green crystals in basalt.
• Limonite: Yellowish-brown, earthy masses covering basalt.
• Nontronite: A pale-blue, clay mineral filling basalt vugs.
• Olivine: Small, clear to greenish crystals.
• Opal: White to clear, massive basalt vugs.