Gemstones questions This is a list of recently added questions about gemstones. How can you cut a diamond?Using a diamond. Diamond is a hardest substance in the world and hence as a very strong bonding between the atoms. hence it can be cut only by using a diamond Created by: Shruthi Srinivasanvery easy 82% using a knifeusing a knife28using a diamondusing a diamond1459using goldusing gold55using a gasusing a gas230materials riddles » 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_Smolarekhard 44% particlonparticlon667elektronelektron2409amberionamberion1428atomiosatomios878technology riddles » 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 Kołodziejczykhard 50% TopazTopaz1481RubyRuby763BerylBeryl2979TalcTalc707minerals riddles » 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 Kołodziejczykaverage 61% redred388greengreen920blueblue2804purplepurple479colors riddles » 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 Kołodziejczykaverage 61% redred438greengreen2755blueblue1079purplepurple222colors riddles » 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.orghard 43% in South Africain South Africa2632in Colombiain Colombia3227in Siberiain Siberia778in Argentinain Argentina745Colombia riddles » 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 Stillerhard 55% near the volcanonear the volcano4126in the coal minein the coal mine2319in the silver minein the silver mine578at the beachat the beach416nature riddles » 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.orgvery hard 37% carob seedcarob seed1942a drop of leada drop of lead617handful of sandhandful of sand1928swallow's eggswallow's egg752units riddles » Play culture quiz and see all the questions.