Chapter 4 – Minerals
Review Questions
Silicon and oxygen
The silicate minerals in
which the backbone is the silica tetrahedron.
Color
A compound is chemically
combined to produce a new substance with new properties where a mixture is
physically combined, and where each substance retains its original properties.
1) must be a solid
2) must be inorganic
3) must occur naturally
4) atoms must appear in a regular repeating pattern
5) must have a definite chemical composition
1) compaction
Coal is not a mineral
because it is organic, produced by the decay of plants. Glass and pearls are
other examples.
Silicates (silicon and
oxygen)
Iron oxides (iron and oxygen)
Carbonates (carbon and oxygen)
Sulfides (sulfur)
1) color
2) luster
3) hardness
4) streak
5) fracture / cleavage
A mineral can be a rock,
but a rock cannot be a mineral