Chapter 1 NotesThe Essential Qualities of Gem MaterialThe first and most obvious quality that makes gems suitable for jewellery isbeautyA gem’s beauty cannot easily be quantified as it depends on subjective factors to do withits appearanceRarityis another quality which must be present in some degree in all gemstones worthyof the nameUnlike beauty, rarity can be affected by factors such as supply and demand, and by bothfashion and scarcity of the source material
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Economics, Gemology, Gemstone, Sapphire, Jewellery, essential qualities, Gem Material