Earth Science Lab Homework.

The Study of Minerals*Use upload for pictures1. Name the physical property (hardness, color, streak, etc.) described by each of the following statements.DESCRIPTION:                                             PHYSICAL PROPERTY:Breaks along smooth planes: ___________________________________Scratches glass: _______________________________________Shines like metal: __________________________________Scratching produces a red powder: _____________________________Looks like broken glass: ______________________________2. What term is used to describe the shape of a mineral that has three directions of cleavage that intersect at 90-degree angels?   _______________________________3. Describe the cleavage fo the minerals listed below. include the number of directions and degrees of cleavage angles (if appropriate).MINERAL:                   CLEAVAGE:Muscovite:   _____________________Calcite: _______________________Halite:  ______________________Feldspar: _____________________4. What physical feature most distinguishes biotite mica from muscovite mica? __________________________5. Name a mineral that exhibits the physical properties listed below. (use the Photos in the upload, if needed)PROPERTY:                           MINERAL:One direction of cleavage: ________________________Striations:    ________________________Multiple Colors: __________________Cubic cleavage: ______________________Nonmetallic, vitreous luster: ______________________Fracture: _____________________Metallic luster: _____________________6. Figure 1.32 illustrates the common crystal form of the mineral fluorite and the characteristic shape of a cleaved sample of fluorite. Identify each specimen (A or B) next to its appropriate description below. Cystal form of fluorite: ____________Cleavage specimen of fluorite: ___________7. Refer to the photo in Figure 1.33 to complete the following.       a. Describe the crystal form (habit) of this specimen.           ______________________________________________________________________________       b. What term is applied to the lines on this sample?           ______________________________________________________________________________       c. Based on what you can determine from this photo, use the mineral identification key (see figure 1.24) to             identify this mineral.            ______________________________________________________________________________8. A photo of agate, a variety of quartz composed of microscopically small crystals, is provided in Figure 1.34. Based on this image, describe the habit of this sample.         _______________________________________________________________________________         _______________________________________________________________________________9. If a mineral can be scratched by a penny but not by a fuman fingernail, what is its hardness on the Mohs scale?         ____________________________10. What term is used to describe the tenacity of muscovite?         _________________________________________11. Use the mineral identification key (see Figure 1.24) to identify a mineral that is nonmetallic, dark colored, harder than glass, lacks cleavage, and is green in color.   _________________________________12. For each mineral listed below, list at least one diagnostic property. MINERAL NAME:            DIAGNOSTIC PROPERTYHalite:     ______________________________________Galena:   ______________________________________Magnetite: _____________________________________Muscovite: _____________________________________Hematite: ______________________________________Fluorite: _______________________________________Talc:  _________________________________________Graphite: ______________________________________Calcite:  _______________________________________13. List the two most common rock-forming mineral groups.__________________________________________________________________________14. Providean economic use for each mineral listed below.Galena: _______________________Hematite: _____________________Graphite: ______________________Sphalerite: _____________________Gypsum: ______________________Calcite: _______________________