Calcite, halite, gypsum, and quartz are all light colored minerals with a similar appearance; however each mineral has a diagnostic property that makes it distinguishable from the others. Discuss in detail how you could easily identify these minerals
What will be an ideal response?
Answer: Calcite reacts with acid and has three cleavage angles at non right angles.
Halite is salty with cleavage planes three directions of cleavage at right angles.
Gypsum is very soft, can be scratched with your fingernail. Quartz has a conchoidal fracture and will scratch glass.
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Typical medieval European urban settlements were characterized by the
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