Question

You and your science group have been handed five mineral samples to identify. First, you sort the minerals by color. All five minerals are WHITE! Two are glassy and transparent. You have identified two minerals. They are calcite and quartz. Compare and contrast the properties of the two minerals. How can you EASILY tell them apart?

A) check if one is shiny
B) check if one scratches glass
C) check to see which has bands
D) check to see if one splits into sheets

Answer 1

All rocks except obsidian and coal are made of minerals. . When identifying a rock you must first identify the individual minerals that make up that rock. . Although thousands of minerals in the earth have been identified, just ten .To compare the hardness of two minerals see which mineral scratches the surface of the other .

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Answer 2

C
Check if one scratches glass