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With PHP, MySQL, Apache, FTP and more. Create your account NOW at. The Main Factors For Durability. Specific Gravity - Direct Weighing Method. Specific Gravity - Heavy Liquids. Table of Hardness, Specific Gravity, Refraction Index of Gemstones. Effects of Acids on Gemstones. Causes of Color in Gemstones. Change and Loss of Color in Gemstones.
This is the place where you can personalize your profile! By moving, adding and personalizing widgets. You can drag and drop to rearrange. You can edit widgets to customize them. The bottom has widgets you can add! Some widgets you can only access when you get Core Membership.
Stars and Cat s Eye. Gold and Other Precious Metals. Gemstone Color and Clarity Guide. Gemstone Cut and Appraisal Guide. JTC Office Space for Rent. JTC Jewelry Booth for Rent. JTC Retail Showroom for Rent. Mint-green Tsavorite Garnet from Afgh.