Identify whether the mineral has a chemical composition.
<em><u>Explanation:</u></em>
In order to determine whether an unknown substance is a mineral tests to determine some properties need to be done.
Mineral's properties are key to establish its identity because the properties are determined by the chemical composition and crystal structure, or the way that the atoms are arranged.
Mineral properties include: color, streak. luster, density, hardness, cleavage and fracture, among others.
A Minerals A Pure Substance And A Rock Is A Mixture Of Two Or More Minerals In Various Proportions.
For Instance Rock Granite Is Made Up Of Three Minerals: Quartz Feldspar and Biotite. (mica)
A Mineral is an chemical compound with an constant chemical composition which of course is the definition of a "Pure Substance" Hope It Helped! <span />
romeo fell mad in love with dis bitty and so much so he went to drink some killer stuff, only to find out his girly been sleepin on him and wont really dead so then she blocka blockad the same sleep juice and they died together like a true romance