Substance.

Lbs.

Oz.

Platina.....

1,218

12

Pure Gold*...

1,203

10

Mercury..............

848

12

Lead.......

709

8

Pure Silver+...........

625

13

Steel.................

487

12

Tin.......

455

11

Cast Iron.............

450

7

Copper..............

547

4

Brass...............

543

12

Zinc.......

428

13

*The value of a ton of pure gold is $602,799.21.

+The value of a ton of silver is 837,704.84.

*$1,000.000 gold coin weigh 3,685.8 lbs. avordupois.

t$l,000,000 silver coin weigh 58,929.9 lbs. avordupois.