Gemology - Quiz
A) Sapphire B) Diamond C) Topaz D) Amethyst
A) Amethyst B) Garnet C) Emerald D) Turquoise
A) Quartz B) Beryl C) Corundum D) Feldspar
A) Star Sapphire B) Emerald C) Ruby D) Topaz
A) Opal B) Sapphire C) Peridot D) Emerald
A) Titanium impurities B) Iron impurities C) Manganese impurities D) Copper impurities
A) Black Jade B) Jadeite Jade C) Imperial Jade D) Nephrite Jade
A) Zinc B) Iron C) Manganese D) Copper
A) Almandine B) Demantoid C) Spessartite D) Rhodolite
A) A financial study related to the trading of gemstones. B) An art form focused on creating jewelry from gems. C) The science dealing with natural and artificial gemstone materials. D) A branch of biology that studies gems.
A) The National Association of Goldsmiths of Great Britain (NAG). B) GIA. C) American Gem Society. D) Gemmological Association of Great Britain.
A) 1925. B) 1947. C) 1908. D) 1931.
A) A member of NAG. B) Founder of American Gem Society. C) Robert Shipley. D) GIA founder.
A) The influx of newly developed 'cultured pearl' and advances in synthesis of rubies and sapphires. B) Need for jewelry appraisal services. C) Development of the Mohs scale. D) Demand for diamond certification.
A) The color intensity alone. B) The size of the gemstone. C) The weight of the gemstone. D) Understanding its atomic structure and identifying its origin.
A) The historical significance of the gemstone. B) Factors like crystal structure, specific gravity, refractive index, and other optical properties. C) The market demand for that type of gemstone. D) Only the color of the gemstone.
A) Gemological microscopic study of the internal structure, showing natural fluid inclusions or partially melted exogenous crystals. B) The market value. C) The color intensity alone. D) The weight of the gemstone.
A) Penlight B) Stone cloth C) Microscope D) Color filter
A) Refractometer B) Spectroscope C) Dichroscope D) Polariscope
A) Specific gravity testing. B) Refractive index measurement. C) Spectroscopy analysis. D) The Verneuil process.
A) Ultraviolet lamp B) Refractometer C) Polariscope D) FTIR spectrometer
A) Refractometer B) EDXRF spectrometer C) Polariscope D) FTIR spectrometer
A) IGR – Rivista Italiana di Gemmologia. B) Gemology Frontier. C) The Journal of Gemmology. D) Gems & Gemology.
A) They have curved striations. B) They are amorphous like glass. C) They show small flaws where the crystalline orientation changes abruptly. D) They lack any internal structures.
A) Identify the weight of the gemstone. B) Understand the atomic structure and identify its origin. C) Measure the size of the gemstone. D) Determine the age of the gemstone.
A) It will have definite internal and optical activity variance. B) Myanmar rubies are always larger. C) Thai rubies are more valuable. D) They are identical in value.
A) Optic figure sphere B) Contact liquid for RI C) Penlight D) Dichroscope
A) To display gemstones to potential buyers. B) To store gemstones safely during transport. C) To clean and polish gemstones. D) To perform analysis and estimation on site, independent from infrastructure.
A) Raman spectrometer B) Polariscope C) Spectroscope D) Refractometer
A) The irregular Mohs scale of mineral hardness. B) The market demand for that type of gemstone. C) The weight of the gemstone. D) The color intensity of the gemstone.
A) Training enough gemologists. B) Finding enough raw gemstones. C) Identifying treatments to gems, new synthetics, and other new materials. D) Maintaining traditional gem cutting techniques.
A) According to their color alone. B) By the country of origin. C) Based on their crystal structure, specific gravity, refractive index, and other optical properties. D) By their market value.
A) Raman spectrometer B) EDXRF spectrometer C) Ultraviolet lamp D) Photoluminescence spectroscopy system
A) Polariscope B) Spectroscope C) Refractometer D) Dichroscope
A) A synthetic diamond. B) A natural pearl found in oysters. C) A newly developed type of pearl that prompted the establishment of the first gemological laboratory in London. D) An ancient method of polishing pearls.
A) 4.00 B) 5.6–5.9 C) 1.81 D) 3.15–4.20
A) They measure refractive index. B) They determine the specific gravity. C) They show bands indicating which element colors the gem. D) They identify curved striations.
A) Spectroscope B) Polariscope C) FTIR spectrometer D) Refractometer
A) The angle at which a gemstone fractures. B) The angle above which light is reflected back internally within a gem. C) The angle at which a gemstone absorbs the most light. D) The angle at which a gemstone shows its cleavage planes.
A) A type of gemstone treatment. B) An optical property used in categorizing gemstones. C) A method of cutting gemstones. D) A scale for measuring gemstone hardness.
A) The historical significance of the gemstone. B) Color, refractive index, optical character, specific gravity, and examination of internal characteristics under magnification. C) The size and weight of the stone. D) Market value and demand.
A) Refractometer B) Polariscope C) Dichroscope D) Spectroscope |
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