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Black MAGNESIO-HASTINGSITE phenocryst in light gray volcanic matrix Black Tuesday Claim |
Black MAGNESIO-HASTINGSITE phenocryst in light gray volcanic matrix Black Tuesday Claim |
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Black MAGNESIO-HASTINGSITE phenocryst in light gray volcanic matrix Black Tuesday Claim |
Black MAGNESIO-HASTINGSITE phenocryst in light gray volcanic matrix Black Tuesday Claim |