Rock Identifier Quiz: What Rock Are You Holding?
Colour, texture, and hardness together narrow a rock down fast. This starter guide turns those traits into likely types.
What is the Rock Identifier Quiz?
This is a starter guide built from a small built-in list, not a geology textbook. Pick colour, texture, and whether a steel nail scratches the rock, and the tool suggests likely rock types to compare against a proper reference.
How to use it
- Enter your values in the fields provided.
- Click Identify the Rock.
- Read the result and adjust an input if you want a different outcome.
Worked example
A grey layered rock suggests sandstone, shale, or another sedimentary rock in this starter guide.
What rock is grey and layered?
Layered texture points to sedimentary rocks such as sandstone or shale, though a proper reference should confirm it.
Frequently asked questions
What do I enter to get a result?
Fill in every field with your own numbers or choices, then run the tool. Empty number fields count as zero, so check them before you trust the output.
Can I reuse this result elsewhere?
Yes. The result is calculated in your browser from the values you entered, so you can copy the numbers into your own notes or plan.