blog, gemsones, quiz, video - March 12, 2021 Take the Gemstone Quiz! Think you know your gemstones? Try out or fun video quiz to see how you do. Very few will score a 10/10. Share Share on Facebook Tweet on Twitter Pin on Pinterest Back to News Tags blog braded diamonds dispersion faceting gemsones gemstone education gemstone window how to lego making mining quiz refractive index sunstone video why why do diamonds sparkle window in a gemstone windowing