Skandapurana 14.10.51

14.10.51

tato maṃkaṇakaṃ prāha paśya vipra karānmama ..
śubhraṃ bhasma viniṣkrāṃtaṃ paśya me dvija kautukam .. 51 .. ..

Then he said to Maṅkaṇaka: 'Look, O vipra, from my hand / pure white ash has emerged; behold my marvel, O twice-born!' / 51