Problem 1: List all the minerals (silicates and non-silicates) that have a non- metallic luster indicating its type.
Problem 2: The students are required to do the following a. List all the minerals (silicates and non-silicates) that have uneven fracture b. Make a table of those minerals exhibiting cleavage indicating cleavage smoothness, type and in how many sets, and are the sets perpendicular to each other or not.