Mineral, Rocks and Fossils 2

Match it! Select the correct answer from the pull down...Good luck!

What is the name of the physical test shown?

Which mineral always reflects nearly all the light that strikes a freshly broken surface?

According to the Earth Science Reference Tables, what is the percentage of the mineral potassium feldspar in a typical sample of granite?

What mineral property is shown being tested in the diagram?

What mineral is found in a wide variety of igneous rocks?

If you observe a wide variety of samples of quartz, which property is likely to change the most, from sample to sample because of minor impurities?

Which property of quartz is always the same from sample to sample?

The mineral shown to the right could not be