-
academically trained gemologists and are
qualified to
identify and
evaluate gems.
Rudimentary education in
gemology for
jewellers and
gemologists began in the...
-
Christina Jelena; born 28
February 1994) is an
Austrian jewelry designer,
gemologist, model, and
member of the
House of Habsburg-Lorraine.
Eleonore Habsburg-Lorraine...
- grandmother's home in Northridge, California. Her
parents being amateur gemologists,
named her
after azurite, a semi-precious mineral.
Azure is a
color often...
-
Accredited Gemologists ****ociation
Field Gemology.org Hughes, Richard; Manorotkul, Wimon; Hughes, E.
Billie (2017). Ruby & Sapphire: A
Gemologist's Guide....
-
referring to desirability. In
modern times gemstones are
identified by
gemologists, who
describe gems and
their characteristics using technical terminology...
- in 1931.
Shortly thereafter, the
institute introduced the "Certified
Gemologist"
professional designation.
Vincent Manson, then
Director of Strategic...
- and can be used to test
transparent gemstones (crystals).
Experienced gemologists,
observing the
pleochroism of some gems, can
successfully detect gemstones...
-
gemological characteristic of gem diamonds. In the
twentieth century,
gemologists have
developed methods of
grading diamonds and
other gemstones based...
-
including color impurities and
inclusions of
rutile needles known as "silk".
Gemologists use
these needle inclusions found in
natural rubies to
distinguish them...
-
exhibits a hazy
sheen of
light from
within the stone – the
phenomenon that
gemologists strictly term as opalescence. This
milky sheen displa**** by opal is a...