21. Separating natural pink sapphire from synthetic pink sapphire commonly relies upon a microscopic study.
22. In a round brilliant cut, the total number of facets is:
23. A spectroscope is used to detect the spectrum.
24. Refraction is the bending of light.
25. Five carats are equal to one gram.
26. If a ruby weighs 150 carats, how many grams would it weigh?
27. The coloring agent in blue sapphire is Titanium and Iron.
28. To display the cat’s eye phenomenon, gems should be cut in a round brilliant shape.
29. Step-cut gemstones can be distinguished from brilliant-cut gemstones by the shape of their facets.
30. Which of the following is not found in the anisotropic system?
Post a Comment
Comparison of Emeralds from the Chitral District, Pakistan, with other Pakistani and Afghan Emeralds" by Hanser et al. (2023), suitabl...
Gemstone MCQs Quiz Test Your Knowledge in Gemology Part 6 1. A 2-carat fine-quality...
No comments:
Post a Comment