University:
Missouri State University
Course:
GLG 332 | Mineralogy
Academic year:

2022
Views:

253

Pages:

1
Author:

fintaira1i6

Chapter 1, Section 2: Identifying Minerals COLOR 1. What factors can change the color of a mineral? ____________________________________________________ LUSTER 2. Define luster: ________________________________________________________________________________ 3. List and define the three main types of mineral luster. ___________________________________________________________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ STREAK 4. Define streak: _______________________________________________________________________________ 5. Why is using a mineral’s streak more reliable than using color to identify a mineral? ___________________________________________________________________________________________ ___________________________________________________________________________________________ CLEAVAGE AND FRACTURE 6. Define cleavage: _____________________________________________________________________________ 7. List the two the minerals, from figure 3, that have cleavage. Describe the difference in cleavage pattern. a. b. 8. Define fracture: ______________________________________________________________________________ HARDNESS 9. Define hardness: ____________________________________________________________________________ 10. How do scientists use the Mohs scale to determine hardness? EXPLAIN IN DETAIL! ___________________________________________________________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ DENSITY 11. Define density: _______________________________________________________________________________ 12. What substance is the usual reference point for the density of other substances? _________________________ 13. The ratio of an object’s density to the density of water is called the object’s ______________________________ SPECIAL PROPERTIES 14. Calcite and fluorite special property that causes them to glow under ultraviolet light is called _______________. 15. How does calcite react when put into contact with a weak acid? _______________________________________

Identifying Minerals

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