Carefully modulated black-and-white tonality conduces to mental as well as optical clarity; color befuddles.
FORGET for a moment the four C's: carat, clarity, color and cut.
The clarity, color fidelity and detail of good high-def video is absolutely astonishing, and its wide-screen shape makes even home movies look like Hollywood movies.
Opal is considered one of the most difficult stones to value because the factors that determine its worth go well beyond the four C's of diamond evaluation: cut, clarity, color and carat weight.
Now most diamond consumers can discourse handily on the four C's of the rating system (carat, clarity, color and cut) and some prospective brides can even detect microscopic flaws without a loupe.
John King, a gemologist at the Gemological Institute of America, says that the four Cs carat, clarity, color and cut serve as a guide when appraising jewelry.
"The client spent 45 minutes explaining to me what to look for the four C's," says Sanjay, referring to clarity, color, cut and carat weight.
Even within a single deposit, ambers of different clarity, color, friability and/or other properties may be referred to by discrete names, which can result in serious confusion and misclassification.
This is where Bot Metrics is one of the early arrivals that is attempting to add some clarity, color and measurement to let developers track and improve their bots.
Data for six drivers and control are displayed in two panels for clarity, color-coded as indicated.
