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- 1. Multiple Choice
Using the chart below of the Mohs Hardness Scale, answer the following question. A certain mineral sample cannot scratch apatite, but apatite can scratch the sample. Which of the following is most likely the mineral’s hardness?46810 - 2. Multiple ChoiceInformation on several minerals is given in this table. If one were to observe samples of the minerals from the table, which two would appear similar in color, but could be distinguished, one from the other, using a streak test?Hematite and StantiniteChalcopyrite and PlatinumAcanthite and StantiniteChalcopyrite and Biotite
- 3. Multiple ChoiceThe table provides information on four minerals. A mineral sample has a metallic luster, is black in color, and has a hardness of 6. Which of the minerals in the table is a reasonable identification for this mineral sample?PyriteGraphiteHematiteCalcite
- 4. Multiple ChoiceThis table provides information on two minerals. Which property would allow a geologist to distinguish a sample of feldspar from rose quartz?Colorlusterhardnessstreak
- 5. Multiple ChoiceThe table provides information on both pyrite and gold. Pyrite is sometimes confused with gold. Some of the properties listed could help someone distinguish between pyrite and gold. Gold will be the only mineral that has which of the following properties?Yellow colorMetallic lusterHardness of 3Black streak
- 6. Multiple ChoicePhysical properties of minerals such as color, hardness, luster, and streak are used to determine what about a mineral?IdentityMassAgeLocation
- 7. Multiple ChoiceScientists test for the hardness of a mineral by doing which of the following?Measuring the mass of the mineral, and comparing it against other mineralsObserving how light reflects off the mineral and how the mineral looks as a resultObserving the color of a mineral and comparing it against other mineralsScratching the mineral against other substances of known hardness
- 8. Multiple ChoiceOne test of a mineral is the streak test in which what property is determined?The color of powder left behind when the mineral is rubbed on a surfaceThe amount of pore space in the mineral as measured by submerging it in waterThe conductivity of a mineral, determined by attaching it to an electric circuitThe wavelength of light that are refracted when light passes through the mineral
- 9. Multiple ChoiceWhich of the following best describes luster?The mass of an objectThe way light reflects off an objectThe texture of an objectThe density of an object
- 10. Multiple ChoiceRefer to the Mohs Hardness Scale. A mineral with a hardness of 7 can scratch -orthoclase feldspar, but cannot scratch talccalcite, but cannot scratch apatite.topaz, but cannot scratch fluoritegypsum, but cannot scratch corundum
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