Discover what makes some gems and metals more valuable than others. Find out why diamond is the hardest natural mineral in the world. See how crystals get their unique colors, shapes, and structures.
Softcover
72 pages
Published by DK Publishing
$ 59.91
$ 77.88
$ 59.91
$ 77.88
Discover what makes some gems and metals more valuable than others. Find out why diamond is the hardest natural mineral in the world. See how crystals get their unique colors, shapes, and structures.
Softcover
72 pages
Published by DK Publishing
$ 85.31
$ 65.62
$ 32.50
$ 84.57
$ 65.05
$ 89.00
$ 16.50
$ 129.95
$ 97.46
$ 25.00
$ 79.95
$ 55.97
$ 79.95
$ 61.88
$ 47.60
