Jewelry. Published at Wednesday, June 07th 2017, 13:44:36 PM by Kamille.
If life can be compared to a show with opening, development, climax and ending, then keep in mind the belief that you are the leading role in your individual show. Though not every present might be that wonderful or magnificent, your present can be particular and different from that of any others. So you need not hind behind the curtains however just let your individuality shines.
If you would like to know how to calculate the metal price and do the math read on, if not skip to next paragraph. The formula used to calculate the price is the metal price(the daily spot price) multiplied by purity(the true noble metal content) times weight(can be in ounces, pennyweights or grams). The purity is the karat of gold or percentage of noble metal (gold, platinum, silver). 24 karat is pure. 10 karat is 10/24 or.410 gold and the balance of weight is the alloys. 14 karat is 14/24 or.583 gold and 18 karat is 18/24 or.750 gold. Platinum most of the time is 90% pure and 10% alloy. Silver jewelry is usually sterling, which is.925 pure. The three units of weight used with precious metals are troy ounces, pennyweights, and grams. The troy ounce is equal to 20 pennyweights (dwt) or 31.15 grams. So here is an example; say the spot price of gold is $300 and a 14K ring weighing 10 grams would work out like this. $300 (spot price) X.583 (the fineness of gold) equals $174.90 per ounce divided by 31.15 (troy ounce to gram) equals $5.63 per gram times our ring of 10 grams equals $56.30. Just remember to subtract some refining cost and profit for the dealer and you can find out the intrinsic metal value for your jewelry.
Cold water soak. In a cup or bowl, combine half cold water and half household ammonia. Put the jewelry in and soak for 30 minutes. Do not leave it overnight or for a long period of time. After 30 minutes, remove the jewelry and gently clean the front and back of the setting, if necessary, with an eyebrow brush before swishing the jewelry in the solution again and draining it dry on tissue. Do not use soft gems or any jewelry that is strung, such as ivory or pearls.
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