Module 5 topic: conduct a critical analysis of the literature e two essential questions . how do you identify, review, critically analyse and relate existing literature to your research? e how do you develop and refine research questions?

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.