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Hardness > 5.5

Colour	Streak
Brown	White
Brown to Black	White to Grey
Red - Brown	Yellow to Grey
Black	Brown
Black	Black
Black	Black
Black	Brown
Light Brass Yellow	Brown-Black
Light Brass Yellow	Brown Black
Black	Brown
Black	Black
Red Brown/Black	Brown to Black
Red to Black	Red Brown
Silver White	Grey Black
Silver White	Grey Black
Brown to Black	White
Black	Brown-Black
Silver White	BLack