Jorge is testing a mineral by seeing whether it can be scratched by a penny. What property of the mineral is Jorge testing? A. texture B. hardness C. luster D. color

Look at the table shown below.Hardness TestsMineral Can be Scratchedby a Fingernail? Can be Scratchedby a Penny?quartz no nocalcite no yestalc yes yesgraphite yes yesWhich mineral in the table has the greatest hardness? A. calcite B. talc C. quartz D. graphite

Anton found the following mineral and wanted to classify it. Describe this mineral's properties for: Lustre, colour, streak, fracture and hardness. (5 marks)

Which property is most useful in mineral identification?hardness colorsizetexture

7. What is the resistance of a mineral to scratching? Cleavage Fracture Hardness Structure

The physical properties of minerals result from theirtexture and color of streak internal arrangement of atomsdensity and hardnesssize of the mineraldensity and color type of cleavage and hardness