How do the physical and chemical properties of gemstones, such as hardness, refractive index, and specific gravity, affect their value and use in jewelry?

How do the physical and chemical properties of gemstones, such as hardness, refractive index, and specific gravity, affect their value and use in jewelry?
Admin on June 02 2025 at 02:11 AM in Gemstones
0 Answer(s)
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