Mineral Test

1. A natural, inorganic, cyrstalline solid with a characteristic chemical composition is called

• An atom
• A gemstone
• a mineral
• a tetrahedron

2. Minerals that contain silicon and oxygen are

• Sulfide minerals
• ores
• sulfate minerals
• silicate minerals

3. The most common silicate minerals are the

• feldspar
• halides
• carbonates
• sulfates

4. Ninety-six percent of the earth's crust is made up of

• sulfur and lead
• copper and aluminum
• silicate minerals
• nonsilicate minerals

5. The basic structual units of all silicate minerals consist of

• tetrahedral frameworks
• single chains
• silicon-oxygen tetrahedral
• double chains

6. An example of a mineral with a basic structure consisting of a single tetrahedra linked by atoms of other elements is

• mica
• olivine
• quartz
• feldspar

7. When two single chains of tetrahedra bond to each other, the result is called a

• single-chain silicate
• sheet silicate
• framework
• double-chain silicate

8. The appearance of the light reflected from the surface of a mineral is called

• color
• streak
• luster
• fluorescence

9. The words waxy, pearly, and dull describe a mineral's

• luster
• hardness
• streak
• flourescence

10. The words uneven and splintery describe a mineral's

• cleavage
• fracture
• hardness
• luster