Последние добавленные видео:
gem-stone-testing
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4 years ago
219138 4 years ago 20:275 Simple Gem Tests Anyone Can Do | Unboxing
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2 years ago
89503 2 years ago 5:51The Most Essential Gem Tools You Should Own
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4 months ago
8199 4 months ago 1:21Testing Fake vs Real Opal - What You Need to Know | #opal #gemstone
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2 days ago
84 2 days ago 8:27Gemstone thread test
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3 weeks ago
1727393 3 weeks ago 1:31Testing This Stone
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3 years ago
10589797 3 years ago 24:02Jade Hunting, How to "Identify" and "Test" Jade!
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3 years ago
89768 3 years ago 8:15Easy scratch test at home for finding diamonds with normal glass and corrundum
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2 years ago
36001 2 years ago 2:46How To Identify a Gemstone using a refractometer
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9 months ago
2734 9 months ago 9:43Can You Identify Jade with a Presidium Gem Tester?
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2 years ago
19402 2 years ago 2:45testing if a “gemstone” is REAL (presidium gem tester 2) review