Stilpnomelane

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        ~  Hardness   : 3,5
        ~  Tensity :   brittle
        ~  Luster : pearly
        ~  Type : Metamorphic Rock
        ~  Odor : none
        ~ Streak : yellow, blue, black
        ~ Density : 2,620
        ~ Colors : golden brown, gray, reddish brown, yellow and black