All pigments have a specific gravity greater than 1, so they sink rather than float, but differences in their specific gravity cause the pigment particles to sink at noticeably 
(All pigments; have; a specific gravity greater than 1) (they; sink; ) (differences in their specific gravity; cause; the pigment particles to sink at noticeably) Context(differences in their specific gravity cause,List([89, 132))):(the pigment particles; to sink; T:at noticeably)
differences in their specific gravity cause,List([89, 132))
All pigments they differences in their specific gravity the pigment particles
have sink cause to sink
a specific gravity greater than 1
the pigment particles to sink at noticeably
T:at noticeably