A mass of iron and nickel that struck Scandinavian ground roughly one million years ago. Discovered in 1906 near the village of Muonionalusta in northern Sweden. Etch the cross-section with acid, and ...
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Sourced from a single mine in northern Ontario, Canada. Formed roughly 1.2 billion years ago, a single crystal may contain up to twenty-three distinct minerals. No other known stone holds this level ...
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Obsidian with patches and streaks of iron oxide running through it. Reddish-brown against black produces a tone resembling mahogany timber. Not wood, but stone—carrying the visual warmth of a living ...
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