While trying to determine the identity of a mineral, you decide to do a streak test. You rub the mineral across the plate, but it does not leave a streak. Does this mean your test failed? Explain your answer.
What do the following abbreviations of elements stand for? K, Al, Si, O.
Doesn't Si stand for silicon and the O stand for oxygen?
Read about the streak test below.
http://www.rockhounds.com/rockshop/streak1.html
Yes, Si is silicon, K is potassium, Al is aluminum, O is oxygen.
You can find all of the symbols for all the elements at http://www.webelements.com
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