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% particlonparticlon584elektronelektron2077amberionamberion1284atomiosatomios781 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 50% TopazTopaz1213RubyRuby628BerylBeryl2457TalcTalc603 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% redred332greengreen778blueblue2341purplepurple404 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% redred388greengreen2312blueblue915purplepurple194 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 41% in South Africain South Africa2289in Colombiain Colombia2594in Siberiain Siberia701in Argentinain Argentina677 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 volcano3552in the coal minein the coal mine2056in the silver minein the silver mine508at the beachat the beach368 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 seed1735a drop of leada drop of lead565handful of sandhandful of sand1783swallow's eggswallow's egg690 Play culture quiz and see all the questions.