C1 $400 A mineral is white and cannot be scratched by the mineral orthoclase (hardness of 6). Identify the mineral and tell how you know.
C1 $400 The mineral is Quartz. Because it has a hardness of 7, it cannot be scratched by Orthoclase.
Timer The final Jeopardy answer is: C1 final This is a sedimentary rock because it has layers that were formed as a result of pressure that cemented them together. This rock was probably formed somewhere where there was great pressure.
C1 final Identify this rock. Where and how was it formed?