Gemstones questions This is a list of recently added questions about gemstones. What is the Greek name for amber?Elektron. Words like "electricity" come directly from the name of amber. Already the ancient Greeks noticed that this stone has a certain mysterious property: when rubbed with fur, it begins to attract particles of dust...Created by: Marta_Smolarektechnology riddles »hard 43% particlonparticlon548elektronelektron1909amberionamberion1213atomiosatomios735 What mineral is a heliodor gemstone a variety of?Beryl. Heliodor is a yellow transparent variety of beryllium (emerald and aquamarine are also varieties of beryllium). The name derives from the Greek word helios = sun (sun-god) and doron = gift ("gift of the Sun").Created by: Paweł Kołodziejczykminerals riddles »hard 49% TopazTopaz1084RubyRuby551BerylBeryl2134TalcTalc515 What colour is sapphire colour a shade of?Blue. The name of the colour comes from sapphire, a blue variety of the corundum.Created by: Paweł Kołodziejczykcolors riddles »average 60% redred312greengreen689blueblue2135purplepurple365 What colour is emerald colour a shade of?Green. The name derives from the Greek smaragdos (as well as Lat. smaragdus - green). It refers to the characteristic colour of emerald stones.Created by: Paweł Kołodziejczykcolors riddles »average 60% redred356greengreen2058blueblue813purplepurple173 Where are emeralds found the most?In Colombia. Colombia is by far the world's largest producer of emeralds, constituting 50–95% of the world production. The Colombian emeralds are also the purest. The emerald trade is at the center of funding of ongoing civil conflict in Colombia, second to drug trade.Created by: globalquiz.orgColombia riddles »hard 40% in South Africain South Africa2133in Colombiain Colombia2365in Siberiain Siberia656in Argentinain Argentina629 Where do you have the best chance to find a natural diamond?Near the volcano. It is sometimes mistakenly believed that diamonds are made from coals. High pressure and heat is required for the formation of diamonds from carbons but these carbons are not the ones that form coal. Diamonds are formed deep under the surface and are brought up during outbreaks of volcanoes.Created by: Monica Stillernature riddles »hard 54% near the volcanonear the volcano3291in the coal minein the coal mine1939in the silver minein the silver mine479at the beachat the beach353 What was used as a unit of mass in the classical times?Carob seed. Carat, a unit of mass equal to 200 mg, is derived from a carob seed (Greek kerátion). People commonly believed that the seeds have unusually low variability in mass. Modern research denied this claim.Created by: globalquiz.orgunits riddles »very hard 36% carob seedcarob seed1634a drop of leada drop of lead534handful of sandhandful of sand1705swallow's eggswallow's egg663 Play culture quiz and see all the questions.