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#volcano #volcanic rock #lava rock #scoria #eruption #volcanic cinder #tephra

⚫🌋🪰

#obsidian #volcanic rock #black stone #igneous rock #lava rock

🌋🪨

#lava rock #igneous rock #eruption debris

🇲🇽🪨🥣

#molcajete #mexican mortar #stone bowl #tejolote #basalt #lava rock