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4/15 · Marble countertops have different hardness for mohs. Most common is around 4, that is why we took that as the base. Some Brazilian marble would be close to 5 in hardness.

What is the hardness of granite on the Mohs scale? 6-8 It is a very hard igneous rock containing quartz, mica and feldspar as its main mineral makeup. According to Moh's Scale of Mineral Hardness, granite is typically a 6-8 on the scale (1 is the softest and 10 is the hardest). For reference, your fingernail is a 3 and a steel knife is a 7 on

Mohs Hardness Kit: A Mohs Hardness Scale kit containing: (1) talc; (2) gypsum; (3) calcite; (4) fluorite; (5) apatite; (6) orthoclase; (7) quartz; 

The counting and presentation of Mohs hardness was carried out until 2001 under the regulation of DIN-Standard norm DIN EN-101. In this case, the detected hardness of damage was shown out. By this kind of counting the real hardness of the mineral equivalent to 8 was only 7.

As per Mohs scale, Granite has a score of 7 whereas, marble stands at 3. Nevertheless, the hardness of marble is comparatively less than the granite other than few exceptions like Imperial Danby. This type of marble has a better water absorption property as compared to classical ones like Calcutta or Carrara.

All architectural stone is graded to fall somewhere on the Mohs Scale of Hardness, with talc on the very soft end and diamond on the very hard end.

According to Mohs scale, popular countertop materials would be rated and ranked in this order: Soapstone – 1 Marble – 3-5 Limestone – 3-5 Sandstone – 6-7 Granite – 6-8 Quartz – 7-8 Of

Granite - Resistant to stain or etch, but some can scratch, specially the ones with black mineral called mica (or schist), such as Black Mist, Brazilian Black 

Coming in at between 6–8 on the Mohs hardness scale, granite countertops are favored for their durability, hardness, scratch-resistance, 

The MoH's Hardness Scale is a way of measuring the hardness and scratch resistance of a mineral. The MoH's Hardness Scale ranges from 1-10, 1 being the softest, 10 being the hardest. Example of MoH's Hardness Scale: 10 Diamond 9 Corundum 8 Topaz 7 Quartz 6 Granite 5 Apatite 4 Fluorite 3 Calcite/Marble 2 Gypsum 1 Talc