Shaping Hammer
If a certain mineral is known to cleave when struck with a hammer,?
which of the following statements would be true?
a. The mineral pieces would be of irregular shape and size.
b. The pieces would have the same crystal structure as the larger mineral.
c. The pieces would have flat, smooth surfaces as they fall away from the larger mineral.
The cleavage is related to the internal structure of the mineral, not its exterior form. If a mineral breaks along its cleavage plane it will do so, leaving a fairly flat, smooth, surface where it breaks off from the larger mineral. Exterior morphology is related to how the mineral grew, not its internal arrangement of atoms, like clevage is. I’d go with c.
Baileigh MH-19 Power Hammer for Metal Shaping Planishing Pullmax Yoder Eckhold English Wheel
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