Question: Mail YouTube A Amazon Walmart A Missa U Ulta MDS Icons Question Completion Status: Photo Credit R. Nandigam For The Toolbar, Press ALT+F10 (PC Or ALT+FN+F10 (Mac). B 1 0 Ꭶ Paragraph Anal A.) The Color Is Yellowish Gray B.) Luster Is Metallic C. Cleavage Is Nothing 14px > !!! > A 3.) Softer Than Glass And Harder Than A Human Finger Nail QUESTION 9 …
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mail YouTube a Amazon Walmart A Missa U Ulta MDS Icons Question Completion Status: Photo Credit R. Nandigam For the toolbar, press ALT+F10 (PC or ALT+FN+F10 (Mac). B 1 0 Ꭶ Paragraph Anal A.) The color is yellowish gray B.) Luster is metallic C. Cleavage is nothing 14px > !!! > A 3.) Softer than glass and harder than a human finger nail QUESTION 9 Which of the following is the best estimate of hardness value of this mineral sample? O Less than 2,5 O 2.0 0515 Between 25 and 5.5 more than 5.5 1. Study the visible characteristics of the sample shown and determine the following physical properties: a. Color b. Luster (This property is explained on Page 74 of your lab manual) c Cleavage and Fracture ( This property is explained on Pages 75-78 of your lab manual. Also see below for the “Breakage” informationi) 2. Here is some more information about this sample obtained via mineral identification tests a. Powder of this mineral sample is Dark Gray in color (This property is explained on Page 74 of your lab manual) b. Breakage: When this mineral breaks, it tends to develop eneven and irregular surfaces. c. Hardness. Fingernail does not scratch this sample: This sample does not scratch the glass plate (This property is explained on Pages 78-81 of your lab manual) d. Reaction to acid: None (This property is explained on Page 79 and 81 of your lab manual) e. Magnetic Properties: None ( This property is explained on Page 82 of your lab manual) f. Specific gravity: Medium (This property is explained on Page 79 of your lab manual) 3. Estimate the hardness of this sample. 1. Harder than glass 2. Softer than the human finger nail 3. Softer than glass and harder than the human finger nail 4. Record your observations in the space provided (see below) 5. Keep this physical property data available when you proceed to answer the next six (6) assignment questions.
