8. Pamukkale Falls, Turkey The terraces are formed from the precipitation of calcite from hot springs in limestone areas
9. Microscopic view of schist (metamorphic rock) Can you tell the difference between the earlier one shown (of igneous rock)?
10. Gneiss (granite underwent pressure) Can you see the wavy bands ?
11. Gemstones (crystals because mineral cooled after being heated by magma) Blue sapphire Pink sapphire Colourless sapphire Yellow sapphire Clear sapphire Mauve sapphire Sec 1/GEO/RP/RGS/SW/2004/rocks