questionedithistorytranslationsWhat colour is sapphire colour a shade of?red843green1460blue5038purple866The name of the colour comes from sapphire, a blue variety of the corundum.Share and bring new players to the game!correct this questionPaweł Kołodziejczykreach: rather globalcolorsgemstonesmineralsIllustration: David BlaikieGemstones quizMinerals quizColors quizWhat 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.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...What's the origin of the word "turquoise"?Turkey as a country. The name Turquoise was established in the seventeenth century and came from the name of Turkey (turquois is French for "Turkish"), because the mineral was first brought to Europe from Turkey. Acient Romans called this rock Kalalit.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.