Pretest

1. Pyrite is a yellowish mineral that looks like gold and is commonly called fool’s gold. What is the property of mineral exhibited by pyrite wherein it reflects light and with metallic look?

• A. Color

• B. Hardness

• C. Luster

• D. Streak

2. Quartz can break other than along planes of cleavage. What is the property of mineral that show this characteristic?

• A. Cleavage

• B. Fracture

• C. Hardness

• D. Tenacity

3. Some minerals like mica has surfaces with planes of weak bonds in the crystals. Thus, its crystals can be peeled like layers of onion. What is the property exhibited by mica?

• A. Cleavage

• B. Fracture

• C. Hardness

• D. Tenacity

4. Which property refers to the resistance of mineral to scratching?

• A. Cleavage

• B. Fracture

• C. Hardness

• D. Luster

5.What are the building blocks of rocks and it is mostly found in the geosphere?

• A. minerals

• B. soil

• C. ore

• D. elements

6.In its powdered form, the mineral hematite is reddish. Which mineral property is best described?

• A. color

• B. luster

• C. Streak

• D. hardness

7. Which is not a property that can be used to identify a mineral?

• A. luster

• B. streak

• C. hardness

• D. opaque

8. What is the property of mineral that reflects light on its surface?

• A. Crystal structure

• B. color

• C. streak

• D. luster

9. What is a naturally occurring, inorganic solid that has a definite crystalline structure and chemical composition?

• A. compound

• B. crystal

• C. mineral

• D. rocks

10. During the 1800’s, miners can identify real gold from pyrite through biting the surface of the mineral. If a bite mark is exhibited, then the said mineral is considered real gold. What property is tested in this scenario?

• A. cleavage

• B. luster

• C. hardness

• D. streak color