Is Limestone Or Marble Harder
Limestone is softer than marble but harder than chalk.
Is limestone or marble harder. For instance quartzite is a harder material than marble making it less prone to wear regarding staining and scratching. Limestone generally ranks at around a 3 on the scale while marble falls between 3 and 4. It goes granite marble limestone and it comes down to simple minerals. 3 limestone is a sedimentary rock while marble is a metamorphic rock.
Marble and limestone lie at the opposite end of the hardness scale from granite. This doesn t mean that you can t use marble for kitchen countertops but is a factor to consider when selecting your natural stone. Minerals do have defined hardnesses though. Granites have large amounts of quartz sio2 and other hard silicate materials quartz 7 mohs.
Marble is a very hard stone. Marble is often used as a building material and in sculptures. Marble is slightly denser and harder than limestone but both stones are relatively soft which makes them easy to work with. Groups a b c and d.
We can see from this government report that both limestone and marble are affected by the problem of acid rain. Limestone on the other hand is basically just a huge pile of non interlocked but cemented calcite caco3 which is the definition of a mohs 3. This may be important for areas like kitchen countertops where there is high traffic. 4 heat and pressure causes the formation of marble while they are not necessary for the formation of limestone.
It features many colors due to the mineral impurities in limestone but those used in sculptures are typically white. Marble basically classifies into four groups which include. Both limestone and marble tend to react with acidic substances by forming a gray or black crust of gypsum crystals. From greek statues to roman baths it has been used for centuries in just about every possible interior and exterior application.
Marble is relatively hard but not as hard as granite. While marble is slightly harder and denser than limestone both rate very low on the mohs scale a rating used to measure the hardness of stones. 5 limestone is more porous than marble while marble is harder than limestone. Even though it is harder than limestone it is not as hard as granite.
Most people are familiar with marble. Right away we have a hard decision to make.