|
Substance • The Lotus Gemology Published Oeuvre
|
|
Hits: 17113
|
|
Spinel Inclusions • An Exercise in Aesthetics
|
by E. Billie Hughes, John I. Koivula, Wimon Manorotkul, Nathan Renfro and Richard W. Hughes |
Hits: 264
|
|
Laos – Land of a Million Elephants... & Sapphires
|
by Richard W. Hughes, Auslan Ishmael, Flavie Isatelle & Peter Wang |
Hits: 605
|
|
Colored Stone Grading • A Heretic's Guide
|
by Richard W. Hughes, with E. Billie Hughes & Wimon Manorotkul |
Hits: 3722
|
|
Six-Rayed Star in Sapphire from Myanmar
|
by E. Billie Hughes |
Hits: 2277
|
|
Squeezing Sapphire • Corundums treated with high temperatures and low pressure (HT+P)
|
by [see below for authors] |
Hits: 4567
|
|
Mogok Ruby With Remarkable Twinned Calcite Inclusion
|
by E. Billie Hughes |
Hits: 3415
|
|
Sapphire With Growth Tube Cluster
|
by E. Billie Hughes |
Hits: 3406
|
|
Oiled Ruby: A Remarkable Visual
|
by E. Billie Hughes |
Hits: 3620
|
|
Unlocking Crystal Optics with the Refractometer • Lotus Gemology
|
by Richard W. Hughes |
Hits: 5265
|
