1.   Although they share the same chemical composition and crystal form, emerald is by far the more valuable.

2.   Doing this changed the chemical composition of the atmosphere, ocean and surface rock.

3.   Glaze chemical composition also affects its absorption of light.

4.   How did the planets pick up the necessary angular momentum, and why do the planets have different chemical compositions?

5.   In addition, other oxides introduced by the presence of various minerals determine their chemical compositions.

6.   Irons come in a variety of classes with different crystal structures, chemical compositions, and inclusions of other minerals.

7.   List the main differences in chemical composition between the Earth and the Moon.

8.   Samples are separated according to functionality or chemical composition as well as molar Mass.

9.   Some minerals have complex chemical compositions.