About the Gemologist: Passionate About Gems, Committed to Truth


Aggemologist is a gemology-focused platform where gemstones meet science. With over a decade of practical experience in gemstone identification and laboratory testing, this blog shares clear, reliable, and research-based information for students, collectors, traders, and gem enthusiasts.

Explore real gemstone case studies, identification techniques, gemological instruments, natural and synthetic gems, treatments, inclusions, and practical testing methods—all based on hands-on gemological experience.

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Introduction quiz

💎 Gemology Quiz 1. What does gemology study? The study of rocks only The study of gemstones and their properties The study of fossils 2. Who is a gemologist? A person who mines gemstones A person who designs jewelry A person who identifies gemstones using instruments 3. Which of the following is NOT a characteristic of a mineral? Naturally occurring Organic in nature Has a defined chemical composition 4. What makes a gemstone valuable? Only its size Beauty, rarity, and durability Color only 5. Which of the following is an organic gem? Sapphire Pearl Emerald 6. The Mohs scale measures what property? Toughness Hardness Transparency Submit Quiz Further reading introduction to gemology Gemology MCQs Part-1
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Gemology MCQ Quiz Part 6: Test Your Gemstone Knowledge

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Gemstone MCQs Quiz Test Your Knowledge in Gemology Part 6 1. A 2-carat fine-quality ruby is worth more than 10 rubies of the same color and quality, which have a total weight of 4 carats . a) True b) False Correct Answer: a) True 2. One carat equals: a) 1 gram b) 1/10 of a gram c) 1/5 of a gram d) 1/2 of a gram Correct Answer: c) 1/5 of a gram 3. A ten-pointer is a stone that weighs: a) 10 carats b) 1/10 of a carat c) 10 facet junctions d) 10 grams Correct Answer: b) 1/10 of a carat 4. When comparing gem prices, you should compare their: a) Per-carat cost b) Overall size c) Density d) Facet count ...
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Gemology MCQs Part-3

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Gemology MCQs Gemology Multiple-Choice Questions 21. Separating natural pink sapphire from synthetic pink sapphire commonly relies upon a microscopic study. True False 22. In a round brilliant cut, the total number of facets is: 57 59 60 None of the above 23. A spectroscope is used to detect the spectrum. True False 24. Refraction is the bending of light. True False ...
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