Is Limestone Hard. The answers i have read interpreted your question as asking which is the harder rock: limestone is a very common sedimentary rock consisting of calcium carbonate (more than 50%).
limestone is a hard, compressed rock formed over millions of years. In comparison to granite, steel or diamonds, limestone is a. Lol different limestones have different hardnesses.
ASU Introductory Geology Online Lab
Falling closely behind diamonds on. the hardest mineral on the mohs scale is diamond, which ranks at a 10. answer (1 of 5): For the organic matters such as animal droppings and leaves, you need to clean them as often.
