ES 1022 ALab Test Samplequestions-1 PDF

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Solutions to Sample Questions: Mineral/rock names in blue brackets (for quick reference for sample numbers) Correct multiple choice answers in red Sample 2 (gypsum) Question 1: What type of cleavage is represented in this mineral? a) basal b) prismatic, at 900 c) prismatic, not at 900 d) rhombohedral Question 2: What is the hardness of this mineral? a) 7

e) none

Sample 3 (calcite) Question 1: How many directions of cleavage does this mineral have? a) two at 900 b) two, not at 900 c) three, at 900 d) three, not at 900 e) six, not at 900 Question 2: What is the name of this mineral? b) calcite c) quartz d) gypsum e) talc a) halite Sample 5 (halite) Question 1: What type of cleavage does this mineral have? b) cubic c) rhombohedral d) prismatic e) octahedral a) basal Question 1: What is the name of this mineral? b) halite c) quartz d) plagioclase feldspar e) gypsum a) calcite Sample 6 (quartz) Question 1: How many directions of cleavage does this mineral have? e) none a) one b) two c) three d) four Question 2: What is the name of this mineral? c) quartz d) plagioclase feldspar a) calcite b) halite

e) gypsum

Sample 8 (amphibole) Question 1: To which of the following mineral groups does this mineral belong to? a) ferromagnesian silicates b) non-ferromagnesian silicates c) carbonates d) halides e) sulphides Question 2: In terms of its composition, which of the following minerals is this mineral most closely related to? c) pyroxene d) magnetite e) pyrite a) calcite b) talc Sample 9 (pyroxene) Question 1: What type of cleavage is represented in this mineral? a) prismatic, close to 900 b) rhomohedral c) cubic d) octahedral e) basal Question 2: What is the name of this mineral? b) pyroxene c) magnetite d) galena e) obsidian a) amphibole Sample 10 (orthoclase) Question 1: What type of cleavage does this mineral exhibit? b) prismatic, at 900 c) prismatic, not at 900 a) basal d) cubic e) rhombohedral Question 2: The name of this mineral is: c) orthoclase d) plagioclase feldspar e) pyroxene a) calcite b) halite

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Sample 11 (plagioclase feldspar) Question 1: What type of cleavage is represented in this mineral? b) prismatic, at 900 c) prismatic, not at 900 d) rhombohedral a) basal Question 2: What is the hardness of this mineral? a)...