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Other Tests |
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Date：1205207471
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X-radiograph Test: An x-ray photo called an x-radiograph is taken of the pearls. Imitations are opaque to x-rays making them look solid white on the negative and solid black on the positive print made of it. Cultured and natural pearls are semitrans |
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Tests that Require No Equipment |
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Date：1205206342
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Tooth Test: Rub the pearls lightly along the biting edge of your upper front teeth. If they feel gritty or sandy, it's likely they are cultured or natural pearls. If they feel smooth, they are probably imitations.There are a few problems with this t |
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Types of Imitation Pearls |
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Date：1205206298
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Even though pearl essence is used to make many of the best imitation pearls, such as Majorica pearls. Imitations come in a variety of types. The main ones are: Hollow glass beads containing wax. These pearls, made by the same process as Jacquin's, a |
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Imitation or Not |
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Date：1205206204
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Imagine a rosary-bead maker watching a fish being scaled in a basin of water. The water has colorful, pearly reflections which seem to form as the fish scales dissolve. The bead maker then gets the idea to filter the water, recover the pearly substa |
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