Minerals questions This is a list of recently added questions about minerals. Play minerals quiz and see all the questions. 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.Created by: GabrielBaranvery hard 34% Turku City in FinlandTurku City in Finland675Turkey as a countryTurkey as a country1378Turkusy, fake regionTurkusy, fake region941Persian tortoisePersian tortoise999gemstones 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 47% TopazTopaz2831RubyRuby1290BerylBeryl4887TalcTalc1175names riddles » Which of the following is not an allotropic variety of coal?Anthracite. An allotropy is a phenomenon of appearing, in the same state of aggregation, of all sorts varieties of the same chemical element, differing in physical properties and chemical. Coal is appearing mainly in the form of diamond, graphite, fullerene and graphene. Anthracite is simply a variety of the hard bituminous coal.Created by: Paweł Kołodziejczykhard 40% diamonddiamond700graphitegraphite705fullerenefullerene2289anthraciteanthracite2478chemistry 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% redred782greengreen1382blueblue4718purplepurple828colors 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 65% redred681greengreen4994blueblue1603purplepurple334colors riddles » What rock is this?Granite is a type of felsic intrusive igneous rock. It is granular and phaneritic in texture. The rock mainly consist of quartz, feldspar, mica, and amphibole minerals.Created by: KYRTAPSvery easy 80% gneissgneiss1146granitegranite13002halitehalite700basaltbasalt1311geology riddles » Where are such formations usually found?In deserts. Desert rose is the colloquial name given to rosette formations of crystal clusters of gypsum or baryte which contain abundant included sand grains. Desert roses occur when the crystals form in arid sandy conditions, such as the evaporation of a shallow salt basin.Created by: Carlos Saltoeasy 74% in cavesin caves2191in coal minesin coal mines925in desertsin deserts21817in extinct volcanoesin extinct volcanoes4357deserts of North Africa 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 volcano6067in the coal minein the coal mine3534in the silver minein the silver mine772at the beachat the beach579nature riddles » What was graphite believed to be a form of?Lead. When large deposit of graphite was found in the 16th century in England, it was thought to be a form of lead. In many languages, the word for pencil literally means lead pen. (German Bleistift, Polish ołówek, Arabic قلم رصاص) Created by: Kasiaaverage 64% leadlead16236mercurymercury1888ironiron2835chalkchalk4348writing riddles » Which type of a coal is the youngest?Lignite (brown coal). Coal forms when the dead plant matter is converted into peat, which in turn is converted into lignite, then sub-bituminous coal, then bituminous coal, and lastly anthracite.Created by: Kasiahard 57% lignite (brown coal)lignite (brown coal)5755graphitegraphite1485bituminous coalbituminous coal1208anthraciteanthracite1584natural resources riddles » Play geology quiz and see all the questions.