Gold is typically classified under the Dewey Decimal System as 669.4.
You might put this under 549 which is DDC for Chemical and Applied science-- Mineralogy
220
52
914
The Dewey Decimal number for thermodynamics is 536.
The Dewey decimal number for camping is 796.54.
The Dewey decimal number for autobiography is 928.
The Dewey Decimal number for ninja is 796.815.
The Dewey decimal number for Disasters is 363.34.
The Dewey decimal number for Greek civilization is 938 in the Dewey Decimal Classification system.
The Dewey Decimal number for horses is 599.665.
The Dewey decimal number for space exploration is typically 629.45.
The Dewey decimal number for Esperanza Rising is FIC RYA.
The Dewey Decimal Classification number for yearbooks is 091.
Shakespeare is the only author to have his own Dewey Decimal number.
The Dewey Decimal number for Nancy Drew stories is 813.54.