Jewels - Minerals - Mining - Rocks
Feb. 29 How a Diamond Gets Its Glitter This skilled craftsman is polishing 5 facets of a stone. The stone is set securely in a dop the facet under work being against a porous steel plate impragnated with diamond dust or powder, and turning at 2, 400 revolution per minute
Picture No
13209485
Media ID
46954561
Size
4483px x 5595px
(1.3MB)
Credit
(c) Keystone Pictures USA/ZUMAPRESS.com/Mary Evans
Usage Restrictions
Editorial Use Only - No Property or Model Releases. For any non-editorial use, please contact Mary Evans direct
Source
Keystone Pictures USA
