Extra Credit
Students are being offered an extra credit project for 50 points:
Pick one of the following minerals:
quartz
feldspar
calcite
mica
pyrite
hematite
galena
graphite
sulfur
Write a paragraph giving physical and chemical properties of the element. Include a picture, state if it is an ore mineral or a rock-forming mineral, and give as many uses as possible.
The project is due no later than the date of the mid-term exam.