GIA COLORED STONE ACTUAL TEST
PAPER FULL QUESTIONS AND ACCURATE
ANSWERS GRADED APLUS
●● What is chemical composition?
Answer: Kinds and relative quantities of atoms that make up a material.
●● What is a chemical formula?
Answer: A written description of a material's chemical makeup.
●● What is a colored stone?
Answer: Any gem material other than diamond.
●● What is crystal structure?
Answer: Regular, repeating internal arrangement of atoms in a material.
●● What is durability in gemstones?
Answer: A gemstone's ability to withstand wear, heat, and chemicals.
●● What is gemology?
Answer: The study of gems.
, ●● What are gem species?
Answer: A broad gem category based on chemical composition and
crystal structure.
●● What is a gem variety?
Answer: A subcategory of species based on color, transparency, or
phenomenon.
●● What is a group in gemology?
Answer: A family of gems from several closely related mineral species.
●● What does hardness measure in gemstones?
Answer: How well a gemstone resists scratches and abrasion.
●● What does inorganic mean?
Answer: Composed of, or arising from nonliving matter.
●● What is luster?
Answer: The appearance of a material's surface in reflected light.
●● What is a mineral?
PAPER FULL QUESTIONS AND ACCURATE
ANSWERS GRADED APLUS
●● What is chemical composition?
Answer: Kinds and relative quantities of atoms that make up a material.
●● What is a chemical formula?
Answer: A written description of a material's chemical makeup.
●● What is a colored stone?
Answer: Any gem material other than diamond.
●● What is crystal structure?
Answer: Regular, repeating internal arrangement of atoms in a material.
●● What is durability in gemstones?
Answer: A gemstone's ability to withstand wear, heat, and chemicals.
●● What is gemology?
Answer: The study of gems.
, ●● What are gem species?
Answer: A broad gem category based on chemical composition and
crystal structure.
●● What is a gem variety?
Answer: A subcategory of species based on color, transparency, or
phenomenon.
●● What is a group in gemology?
Answer: A family of gems from several closely related mineral species.
●● What does hardness measure in gemstones?
Answer: How well a gemstone resists scratches and abrasion.
●● What does inorganic mean?
Answer: Composed of, or arising from nonliving matter.
●● What is luster?
Answer: The appearance of a material's surface in reflected light.
●● What is a mineral?
