Some gemstones are expected to have eyevisible
Cracks, especially those which extend to the surface ofa gem, significantly affect the gemstones durability. Just remember that inclusions in colored gems that do not affect durabilityare not nearly as much an issue in determining value as correspondinginclusions in diamonds.. Colored Gem Clarity Clarity is major factor in determining quality and therefore the value of gem. Sometimes internal characteristics will compromise brilliancy. Some gemstones are expected to have eyevisible inclusions. Yet certain crystal inclusions can give gemstone unique character. The undesirable characteristics are those which threaten the integrityof the gem.
It is common to find color zoning in sapphire, yet the color of chrome tourmaline tends to be homogenous. Cracks, especially those which extend to the surface ofa gem, significantly affect the gemstones durability. Just remember that inclusions in colored gems that do not affect durabilityare not nearly as much an issue in determining value as correspondinginclusions in diamonds.. Emerald is prime example. Sometimes internal characteristics will compromise brilliancy. Yet certain crystal inclusions can give gemstone unique character. The undesirable characteristics are those which threaten the integrityof the gem.
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