saṃsthānavarṇakārkaśyādibhedam / kaḥ karotīti / naiva kaścit / īśvarādeḥ kāraṇasyānupalabhyamānatvād iti bhāvaḥ //
[It refers to] the differences in shape, color, hardness and such things. [When asked] "Who makes [it]?", [the answer is] indeed no one, since no cause such as God or the like is perceived - such is the meaning.