When you scratch a rock with your fingernail, you are testing its:

Which material would you need to perform the streak test?

Shiny and dull are two examples of a rock's:

When a mineral breaks and its pieces have rough, pointy edges:

How well a mineral reflects light is:

Which describes the texture of gold?

Which describes the streak of pyrite (fool's gold)?

You try to scratch quartz with your fingernail, but you don't leave a mark on the rock. You just tested quartz's:

This describes how a mineral reflects light:

Mica can be broken into pieces that have smooth, flat sides because it has:

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