Which of the following tasks for an explosion crime scene would you most likely assign to your most experienced, skilled team members? photographing the location where the bomb exploded collecting residue samples from the scene assessing whether the explosion was a result of a criminal all of the above are equally as challenging.

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.