Rocks & Minerals Lessons 3 & 4 Review Crossword

These are used to identify minerals.
Use this test to find a mineral's true color.
You rub a mineral on this to find its true color.
This property is measured with a scratch test.
Who is the scale of hardness named after?
This is the hardest mineral.
This is the softest mineral.
The way a mineral shines in the light.
Two kinds of luster are metallic and this.
The tendency of a mineral to break along certain lines.
This mineral has cleavage because it peels off in thin sheets.
When a mineral breaks rough and jagged.
The only mineral that reacts to acid.
This happens when vinegar is poured on a rock that contains calcite.