Limestone Marble And Granite Hardness

Reviewing this guide can help you keep in mind what the mohs scale of hardness is and how it can be applied to evaluate different countertop options.

Limestone marble and granite hardness.

India possesses a wide spectrum of dimensional stones that include granite marble sandstone limestone slate and quartzite in various parts of the country. Because granite is between a 6 and 7 on the mohs scale it would be able to scratch other types of stone that have lower ratings such as marble. The specific heat capacity of granite is 0 79 kj kg k and that of limestone is 0 91 kj kg k. The hardness of material is measured by determining which material can scratch or be scratched by others if they can scratch one another then they are the.

Mohs hardness in 1 2 f 2 6 are soft stone such as limestone and dolomite etc. Marble is limestone that has been compacted and heated over millions of years. Limestone generally ranks at around a 3 on the scale while marble falls between 3 and 4. An example of the hardness of a granite countertop can be seen in the fact that a knife blade will not scratch the surface.

Corundum absolute hardness 400 diamond absolute hardness 1500 soapstone 1. As a result marble is less porous and slightly stronger than limestone but still less durable than 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. Depending on the limestone and the mineral combination within the marble most marble rates from three to five on the mohs hardness scale.

When it comes to classifying a natural stone granite before making a purchase stone buyers like to focus on the relative granite hardness to know how hard a stone is in comparison with other natural stone products like marble sandstone slate limestone and quartzite. Using mohs scale of hardness for minerals you can with a bit of detective work find out the hardness of granite limestone and marble but i think that we can do a bit of reasoning and figure. Marble and limestone lie at the opposite end of the hardness scale from granite. The hardness of stone is measured by mohs hardness as a unit of calculation mohs hardness in the 6 7 f 14 20 are hard stone such as quartzite and granite.

Mohs hardness between 3 to 5 f 8 14 belong to the medium hard stone such as marble.