Which Of These Images Are Of A Mineral

Question: Given that a mineral has a Mohs hardness level of 3, is the mineral diamond, quartz, calcite, topaz, or talc?

Answer: Calcite

Question: Which of these images are of a mineral?

Answer: - necklace

-large crystals by the man

  • large skinny crystals

  • Question: Identify the following substances as mineral, mineral simulant, or non-mineral.

  • Answer: Mineral:gypsum - corundum - aragonite - graphite

  • Mineral Simulant: hematine - cubic zirconia

  • Non-Mineral:menthol - sugar - DNA - glass

  • Question: Which of the following classes of minerals are most abundant in the Earth’s crust and mantle?

  • Answer: silicates

  • Question: These images show materials found at the surface of the Earth. Which image shows material that could be classified as a rock?

  • Answer: Mt. Rushmore

  • Question: This photomicrograph shows a rock with rounded particles of quartz (Q) and interstitial areas (surrounding the quartz) filled with silica (S) and calcite (C). Which of the following best explains the classification of this rock and how it formed?

  • Answer: This is a clastic rock with silica and calcite cement that grew in pore spaces between grains.

  • Question: Sort the following rock outcrops as igneous, sedimentary, or metamorphic.

  • Answer: picture in notes

  • Question: These photomicrographs show details of quartz grains in three different classes of rock. Based on the shape of these grains, and contacts among them, classify each sample as igneous, metamorphic, or sedimentary. Drag the rock class to the correct image.

  • Answer: 1. sedimentary

  • 2. igneous

  • 3. metamorphic

  • Question: When magma or melt solidifies it forms ______

  • rocks. If a pre-existing rock is exposed to extreme heat or pressure its physical properties can change, forming a(n) ________

  • rock. Rocks derived from the weathered grains of other pre-existing rocks through lithification are ________

  • rocks.

  • Answer: igneous, metamorphic, sedimentary

  • Question: Given that a mineral has two planes of cleavage that intersect at 60°, is the mineral mica, pyroxene, amphibole, halite, or calcite?

  • Answer: amphibole

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