exercise (3)

• 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?

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

  Fracture
• 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?

  Cleavage
• 4. Which property refers to the resistance of minerals to scratching?

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

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

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

  • opaque
• 8. What is the property of minerals that reflects light on its surface?

  • luster
• 9. Which refers to a naturally occurring, inorganic solid that has a definite crystalline structure and chemical composition?

  • mineral
• 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?

  • luster
• 11. What is a carbonate mineral that occurs in a different crystal form and is less common than either calcite or dolomite?

  • aragonite
• 12. What constitutes the size, shape and arrangement of mineral grains in a rock?

  • texture
• 13. Which of the following is not a characteristic of a mineral?

  • organic
• 14. What refers to the tendency for a mineral to break along flat surfaces?

  cleavage
• 15. What is the solid form of a mineral produced by a repeating pattern of atoms?

  • crystal