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level: Gemstones

Questions and Answers List

Question	Answer
What types of gemstones originate in rocks, gravel and pebbles, and are often mined?	Minerals
What types of gemstones originate from plants and animals, such as pearls and amber?	Organic
What types of gemstones are of a man-made origin, but have similar physical properties to their natural counterparts?	Synthetic
What is the term used to describe gemstones in their natural form, before cutting and polishing?	Rough
What is the four basic criteria looked for in a gemstone?	Beauty, rarity, durability and desirability
What is the term of weight that gemstones are measured in, not to be confused with the same term that is used for gold?	Carat
What gemstone is the hardest of all minerals, and used most commonly in engagement rings?	Diamond
What four C's are a diamonds value based upon?	Cut, colour, clarity and carat weight