Down - Australian Teacher

Across1) Matura diamond is the colourlessvariety of the gemstone __________.5) Precious stone used in jewellery;also known for its extreme hardness.7) This precious stone is mined atCoober Pedy in Australia.World CrosswordsDown1) This metal is combined with copper toproduce brass.2) Excellent conductor of heat andelectricity; also used to make coins.3) The ore from which we obtainaluminium.4) This precious metal has made thetown of Kalgoorlie famous.8) Crystals shaped like hexagonshave ______ sides.9) This metallic element has atomicnumber 82.10) The name of this metal comesfrom Spanish words meaning ‘littlesilver of the Pinto River’.12) Precious stones. plural15) A very hard mineral composed ofsilica.17) A metal with chemical symbol Sn.18) Precious metal used to makejewellery and coins.20) This mineral’s name comes from theLatin word micare, meaning ‘to glitter’.6) A bluish-black element found in seaweed;it is used in medicine, photographyand dyes.8) Used in making glass, concreteand cement; its chemical symbol is Si.11) Used to fuel nuclear power plants.13) One of the two gem varieties ofcorundum; it is often blue.14) It is sometimes called the ‘spaceage metal’.16) The widely-used substance known astalcum powder is made from this.19) These gemstones have a pink toblood-red colour. plural22) Certain impurities can give limestone awhite or _____ colour.23) Chemical element with symbol Mg.© Intelligent Australia Productions21) It is mined in the ground and isused to make steel.32