Colorless, Yellow, Brown, Green, Colorless, Green, Yellow, Red, Reddish, Brown
Black, Green, Black, Green, Black, Green, gray, Black, Green, gray
White, Yellow, Colorless
Not Available, Not Available, gray, Green
Brittle, Metallic, Brittle, Metallic
Uneven, Brittle, Metallic, Brittle, Metallic
Ca(Mg,Al)3(Al3Si)O10(OH)2
NaNa2(Fe++4Fe+++)Si8O22(OH)2