Obsidian is dense volcanic glass, usually rhyolite in composition and typically black in colour. Obsidian forms in lava flow where the lava cools so fast that crystals do not have time to grow.
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Since 2021 VOLCANO ACTIVE FOUNDATION has been committed to the UN Global Compact corporate responsibility initiative and its principles in the areas of human rights, labour, the environment and anti-corruption.
VOLCANO ACTIVE FOUNDATION RESPONSABILITY
nº 2195 authorised by the Madrid's Minister of Justice
NIF G67314625
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08029 Barcelona, Spain
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