amnhnyc: One of the Museum’s most spectacular mineral specimens is a 1,000-pound stibnite with hundreds of sword-like, metallic blue-gray crystals sprouting from a rocky base. Stibnite (Sb2S3), a compound of the elements antimony and sulfur, occasionally

amnhnyc: One of the Museum’s most spectacular mineral specimens is a 1,000-pound stibnite with hundreds of sword-like, metallic blue-gray crystals sprouting from a rocky base. Stibnite (Sb2S3), a compound of the elements antimony and sulfur, occasionally

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