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GIA Colored Stones Assignment 2 with Complete Solutions!
rocks - ANSWER - the raw materials of gemstone formation the continental crust - ANSWER - most colored stones form in... gem formation - ANSWER - geological conditions during mountain building are favorable for... slow cooling - ANSWER - In igneous rocks, large crystals indicate quick cooling - ANSWER - In igneous rocks, small crystals indicate volcanic rock - ANSWER - What can transport existing gems from deep in the crust to the earth's surface? pegmatites - ANSWER - Some of...
- Exam (elaborations)
- • 5 pages •
rocks - ANSWER - the raw materials of gemstone formation the continental crust - ANSWER - most colored stones form in... gem formation - ANSWER - geological conditions during mountain building are favorable for... slow cooling - ANSWER - In igneous rocks, large crystals indicate quick cooling - ANSWER - In igneous rocks, small crystals indicate volcanic rock - ANSWER - What can transport existing gems from deep in the crust to the earth's surface? pegmatites - ANSWER - Some of...
GIA Colored Stones Assignment 19: Opal Questions and Answers 100% Accurate!!
silica spheres - ANSWER - Precious opal is made of billions of uniform submicroscopic _________ ___________, stacked in an orderly pattern. light - ANSWER - Play-of-color is produced by the interaction of _________ with opals internal structure of stacked silica spheres. black opal - ANSWER - _________ _________ commands the highest prices of all opal types. white opal - ANSWER - _________ ________ makes of the bulk of commercial-quality opal on the market. matrix backing - ANSWER - ...
- Exam (elaborations)
- • 4 pages •
silica spheres - ANSWER - Precious opal is made of billions of uniform submicroscopic _________ ___________, stacked in an orderly pattern. light - ANSWER - Play-of-color is produced by the interaction of _________ with opals internal structure of stacked silica spheres. black opal - ANSWER - _________ _________ commands the highest prices of all opal types. white opal - ANSWER - _________ ________ makes of the bulk of commercial-quality opal on the market. matrix backing - ANSWER - ...
GIA Colored Stones Assignment 3 Questions and Answers 100% Accurate!
crystalline minerals - ANSWER - what are classified into seven crystal systems, depending on the symmetry of their unit cells? exterior shape - ANSWER - what part of a crystal often indicates its symmetry at an atomic level? rare - ANSWER - What do you call gems that require rare chemical elements or unique geological conditions, or both, to form? twinning - ANSWER - What can result form a change during crystal growth, or from cooling or pressure after the crystal has grown? inclusio...
- Exam (elaborations)
- • 5 pages •
crystalline minerals - ANSWER - what are classified into seven crystal systems, depending on the symmetry of their unit cells? exterior shape - ANSWER - what part of a crystal often indicates its symmetry at an atomic level? rare - ANSWER - What do you call gems that require rare chemical elements or unique geological conditions, or both, to form? twinning - ANSWER - What can result form a change during crystal growth, or from cooling or pressure after the crystal has grown? inclusio...
GIA Colored Stones Assignment 5 with Complete Solutions!
natural, synthetic - ANSWER - Knowing whether a gem is ____________ or _____________ is crucial when buying or selling colored stones. imitations - ANSWER - What can be made of a variety of materials, including natural or synthetic versions of other gems? process - ANSWER - The __________ used to produce a synthetic gem can determine its value. melt, solution - ANSWER - Most synthetic gem crystals are produced by these two processes... solution process - ANSWER - Are melt or solution...
- Exam (elaborations)
- • 5 pages •
natural, synthetic - ANSWER - Knowing whether a gem is ____________ or _____________ is crucial when buying or selling colored stones. imitations - ANSWER - What can be made of a variety of materials, including natural or synthetic versions of other gems? process - ANSWER - The __________ used to produce a synthetic gem can determine its value. melt, solution - ANSWER - Most synthetic gem crystals are produced by these two processes... solution process - ANSWER - Are melt or solution...
GIA Colored Stones Assignment 11 with Complete Solutions!
large gems - ANSWER - ___________ ________ are ore rare than small ones, so they often cost much more per carat, even if they're of equivalent quality. weight - ANSWER - Most colored stones are sold by _____________. carat weight, dimensions - ANSWER - A gem's recorded ________ ________ and _____________ can help identify it later. Leveridge - ANSWER - A _________________ gauge is one of a stone dealer's most useful and versatile tools. 0.10 - ANSWER - The sizes of calibrated gems...
- Exam (elaborations)
- • 3 pages •
large gems - ANSWER - ___________ ________ are ore rare than small ones, so they often cost much more per carat, even if they're of equivalent quality. weight - ANSWER - Most colored stones are sold by _____________. carat weight, dimensions - ANSWER - A gem's recorded ________ ________ and _____________ can help identify it later. Leveridge - ANSWER - A _________________ gauge is one of a stone dealer's most useful and versatile tools. 0.10 - ANSWER - The sizes of calibrated gems...
GIA Colored Stones Assignment 4 Questions and Answers (Graded A+)
color - ANSWER - This is the most important factor in determining a colored gemstone's desirability, marketability, and value. light - ANSWER - This is a form of energy that travels in waves. selective absorption - ANSWER - Most gem color is caused by... chemical composition and crystal structure - ANSWER - Selective absorption is influenced by... (2) visible light - ANSWER - Some colored gems can be identified by the way they absorb... trasition element - ANSWER - Because of dif...
- Exam (elaborations)
- • 5 pages •
color - ANSWER - This is the most important factor in determining a colored gemstone's desirability, marketability, and value. light - ANSWER - This is a form of energy that travels in waves. selective absorption - ANSWER - Most gem color is caused by... chemical composition and crystal structure - ANSWER - Selective absorption is influenced by... (2) visible light - ANSWER - Some colored gems can be identified by the way they absorb... trasition element - ANSWER - Because of dif...
GIA Colored Stones Assignment 15: Emeralds with Complete Solutions!
The most desirable emerald colors are _________ green to green, with strong to _________ saturation and __________ to medium-dark h, vivid, medium - ANSWER - bluish, vivid, medium The trade considers emerald to have the finest _________ among colored stones. - ANSWER - green Slight differences in hue, tone, and saturation can make a great difference in emerald __________ when other factors are equal. - ANSWER - value emerald's color-causing trace elements are - ANSWER - Chromium, vanad...
- Exam (elaborations)
- • 5 pages •
The most desirable emerald colors are _________ green to green, with strong to _________ saturation and __________ to medium-dark h, vivid, medium - ANSWER - bluish, vivid, medium The trade considers emerald to have the finest _________ among colored stones. - ANSWER - green Slight differences in hue, tone, and saturation can make a great difference in emerald __________ when other factors are equal. - ANSWER - value emerald's color-causing trace elements are - ANSWER - Chromium, vanad...
GIA Colored Stones Assignment 8 with Complete Questions and Answers.
species or variety - ANSWER - You should judge a gemstone's beauty and value only by comparing it with others of its own ___________ or ___________. large stones - ANSWER - _____________ ____________with fine color are more common in some colored stone species than in others. pure hues - ANSWER - In many gemstone varieties, _________ _____ are more valued than mixed hues. shouldn't - ANSWER - You __________________ use trade terms that imply a gem's geographic origin if you can't be...
- Exam (elaborations)
- • 5 pages •
species or variety - ANSWER - You should judge a gemstone's beauty and value only by comparing it with others of its own ___________ or ___________. large stones - ANSWER - _____________ ____________with fine color are more common in some colored stone species than in others. pure hues - ANSWER - In many gemstone varieties, _________ _____ are more valued than mixed hues. shouldn't - ANSWER - You __________________ use trade terms that imply a gem's geographic origin if you can't be...
GIA Colored Stones Assignment 6 Questions and Answers.
commercially important gems - ANSWER - Treatments that improve gem appearance and quality increase the supply of... available, affordable - ANSWER - Treatments that make gems more _____________ and ____________ are an important part of today's gem and jewelry market. disclosed - ANSWER - All treatments, even suspected or probable treatments, should be ______________ as part of every transaction. gems that are commonly heat treated - ANSWER - Corundum, tanzanite, zircon, topaz, aquamari...
- Exam (elaborations)
- • 5 pages •
commercially important gems - ANSWER - Treatments that improve gem appearance and quality increase the supply of... available, affordable - ANSWER - Treatments that make gems more _____________ and ____________ are an important part of today's gem and jewelry market. disclosed - ANSWER - All treatments, even suspected or probable treatments, should be ______________ as part of every transaction. gems that are commonly heat treated - ANSWER - Corundum, tanzanite, zircon, topaz, aquamari...
GIA Colored Stones Assignment 10 with Complete Solutions!
transparency, brilliance, durability - ANSWER - Clarity characteristics that affect these three things have the most influence on value. clarity standards - ANSWER - Some types of colored stones are typically more included than others, so they're assessed according to different ___________ ___________. eye-clean - ANSWER - What is the highest colored stone clarity grade? unaided eye - ANSWER - An important skill for the successful stone buyer is the ability to quickly judge a gem's qu...
- Exam (elaborations)
- • 4 pages •
transparency, brilliance, durability - ANSWER - Clarity characteristics that affect these three things have the most influence on value. clarity standards - ANSWER - Some types of colored stones are typically more included than others, so they're assessed according to different ___________ ___________. eye-clean - ANSWER - What is the highest colored stone clarity grade? unaided eye - ANSWER - An important skill for the successful stone buyer is the ability to quickly judge a gem's qu...
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