Skandapurana 1.4.11.148

1.4.11.148

sūryastāmraṃ tathā liṃgaṃ nāma viśvasṛjaṃ japan..
caṃdraśca mauktikaṃ liṃgaṃ japannāma jagatpatim.. 13.148 ..

the Sun, a copper liṅga, reciting the name “Creator of the Universe”;
and the Moon, a pearl liṅga, reciting the name “Lord of the World”;