How I draw a topaz

Drawing a golden topaz gemstone Final picture: Music by Dan-O at Materials used: heavyweight gray paper, 9B, 7B and B pencils (Caran d’Ache grafwood), paper stomp, Ecoline colored pencils (Caran d’Ache Supracolor Soft Artist), fibre tip pens (Staedtler Noris Club 320 Double Ended Fibre Tip Pens), markers (Tria Letraset), pens (Pitt artist pen Faber-Castell “Cold Grey III 232“ and “Wa