Identifying Granite Colors

An interesting thing about black slabs is that many of them aren t actually granite at all.

Identifying granite colors.

As one of the most durable natural stones on the planet granite is extremely difficult to scratch. Sedimentary rocks such as limestone or shale are hardened sediment with sandy or clay like layers strata they are usually brown to gray in color and may have fossils and water or wind marks. Most of quartz s color comes from feldspar which yields white light gray yellowish or pink tones. Here the feldspar is pink reddish the mafic minerals are black and the quartz is grey.

In order for a stone to technically qualify as granite it must contain at least 20 quartz and quartz is always white or has a milky color to it. Granite is made mainly of quartz feldspar biotite and muscovite. It sometimes also contains hornblende augite magnetite or zircon. This lighter color is mixed with grains of other darker minerals creating the salt and pepper look.

Granite is the most common kind of igneous rock in the world and one of the most popular stone surfaces for kitchen countertops due to its beauty and durability. Don t let color be the only factor you look at. Mid grade granite is often identifiable by its clear colors and more elaborate patterns but it doesn t have the same unique qualities as more high end cuts. Find info and pictures of 1800 natural stones granites marbles limestone travertin and other types of natural stone easily.

Generally speaking commercial grade granite has a lot of soft minerals dispersed throughout and less color variation than higher quality cuts of granite. Search our natural stone database by color or type to find the best natural stone granite and marble for your kitchen countertop or flooring tiles. Identifying the quality and grade of granite depends on many factors such as thickness color polish edge type porosity country of origin and more. This is how sw color snap reads the colors of the room.

Granite always consists of quartz and feldspar which usually give granite a light almost glittery color ranging from almost translucent white from the quartz to a pale pink from the feldspar. Check the color of the rock you suspect is granite. Imo the room paint to a bit too gold in tone for the granite. Igneous rocks such as granite or lava are tough frozen melts with little texture or layering rocks like these contain mostly black white and or gray minerals.

The granite and marble search engine. This granite is pink reddish due to the alkali feldspar. Most granite is made up of a combination of quartz feldspar and other minerals.