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Examples of Orient during Ruckus?

BAS

Well-known member
Joined
May 25, 2013
Messages
1,957
Just a reminder that there was discussion a few months ago regarding what, precisely, is "orient".

I hope the pearl experts attending the Ruckus can show us examples of orient versus overtone this weekend!!!
 

jshepherd

Natural Pearl
Joined
Jun 22, 2004
Messages
5,725
Remind me on Sunday!

Overtone is the secondary color of a pearl. Orient is sort of a mirage, caused by thin film interference when light reflects from the different layers of nacre creating a new wave.
 

Lagoon Island Pearls

Well-known member
Joined
Dec 8, 2009
Messages
1,913
Color shift, iridescence or goniochromism are other terms to describe the orientation of an object's surface in which hue changes with the angle of observation and the angle of illumination.

The rainbow sheen of soap bubbles, is an example of orient.
 

Pearl Dreams

Pearl Enthusiast
Joined
Sep 24, 2007
Messages
8,958
goniochromism-- a new word for my vocabulary :)

Here's some trivia:
We use a goniometer to measure the angle a joint can move through (range of motion). Gonia = "angle" in Greek.
 

BAS

Well-known member
Joined
May 25, 2013
Messages
1,957
Okay -- what is the difference between "orient" and "irredescence"?!

Of more interest, Blaire is sprawled on my bed waxing poetic about the differences as I type! We've concluded, best to wait for examples this weekend!
 
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