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Grades Of Gold Ore

Gold grade, different gold grades are gold purity, gold ore grading and collectible gold coin grading.Gold grades carat, karat.Gold grade is gold purity.Gold grades relate to the purity of gold the grade of gold ore and the grading of collectible gold coins.Gold grading is undertaken in karat or carat according to your location.Karat is abbreviated to kt or k and carat is abbreviated.

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