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Final Exam -GIA Colored Stone|All Test Questions and Answers(Guaranteed Success)
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Final Exam -GIA Colored Stone|All Test Questions and Answers(Guaranteed Success)
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Final Exam -GIA Colored Stone|All Test Questions andAnswers(Guaranteed Success)
Velvety blue to violetish blue, in medium to medium-dark tones, with strong to vivid
saturation Correct-Fine sapphire
What trace elements cause the blue of sapphire? Correct-Iron and titanium
A smokey corundum that turns blue when treated Correct-Dhun
Higher levels of iron make basalt-hosted sapphires ______ than non-basaltic saphhires.
Correct-Darker
What is the trade name cosidered as the finest blue sapphire? Correct-Kashmir
A common sapphire characteristic Correct-Color zoning
Most sapphires are ______ to improve their appearance. Correct-Heat treated
, Final Exam -GIA Colored Stone|All Test Questions and
Answers(Guaranteed Success)
Fine quality, untreated sapphires make up ______ of the sapphire market. Correct-A small
but extremely valuable segment
What country buys about half of the blue sapphires on the world market? Correct-USA
Kashmir sapphires owe their reputation to a brief period of output during what time period?
Correct-1880s
What country is a major center of the corrundum trade, funneling a steady flow of gems from
worldwide sources into the consumer market? Correct-Thailand
What country is the world's largest source of dark blue, commercial quality blue sapphires?
Correct-Australia
What country has become a significant source of good to fine qualtiy blue sapphires?
Correct-Madagascar
The most common sapphire synthesis method Correct-Flame fusion
, Final Exam -GIA Colored Stone|All Test Questions and
Answers(Guaranteed Success)
Milky, greyish, or brownish corundum that can be treated to a fine blue color Correct-
Geuda
Color of fine blue sapphire Correct-Blue to violetish blue
Blue sapphires that orginate in basaltic rock generally have a... Correct-Higher iron content
Finer quality Kashmir blue sapphires typically show what type of appearance? Correct-
Velvety
"Inky" sapphires generally originate from... Correct-Australia
Most fine sapphires over 100 cts. come from what country? Correct-Sri Lanka
What country emerged in the 1990s as a significant source of fine to good quality saphhire?
Correct-Madagascar
, Final Exam -GIA Colored Stone|All Test Questions and
Answers(Guaranteed Success)
What country is the world's largest blue saphhire exporter? Correct-Thailand
The sapphire market level supplied by Switzerland is Correct-Upper
When did Madagascar become a significant source of blue sapphire? Correct-1990s
What location supplies sapphires that are most likely not heat-treated? Correct-Yogo Gulch
A Kashmir sapphire's blue is also known as Correct-Cornflower blue
A Burmese sapphire's blue is known as ______ blue and is considered somewhat _______.
Correct-Royal; inky
The "Ceylon" or "Sri Lanka" sapphire's saturation is ______ and ______.
The tone is ______ to ______. Correct-Greyish and strong saturation
Light to medium light tone
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