If the mineral you are trying to identify can scratch glass, this means...It is harder than glassIt is softer than glass

Looking at Moh's hardness scale, which mineral is the hardest?talcdiamondglassflint

The Hardness of a mineral is a measure of the mineral’sGroup of answer choicesresistance to being flexed (bent)resistance to fracturing under stressresistance to being crushed and pulverizedresistance to being scratched

Which property is most useful in mineral identification?hardness colorsizetexture

What is the scale that measures the hardness of a mineral or crystal?

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