The Most Common Types And Colors Of Granite

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                                      The Most Common Types And Colors Of Granite

Granite is a natural stone, which comes in a massive range of colors. It is a completely natural process how the colors of granite form – many factors are at play here. we'll go through some of the most common types of granite and what gives them the color they have inherited.

Granite is the signature rock of the continents. More than that, granite is the signature rock of the planet Earth itself. The other rocky planets—Mercury, Venus and Mars—are covered with basalt, as is the ocean floor of Earth. But only Earth has this beautiful and interesting rock type in abundance.

Granite Basics

Three things distinguish granite.

First, granite always consists of the minerals quartz and feldspar, with or without a wide variety of other minerals (accessory minerals). The quartz and feldspar generally give granite a light color, ranging from pinkish to white. That light background color is punctuated by the darker accessory minerals. Thus, classic granite has a "salt-and-pepper" look. The most common accessory minerals are the black mica biotite and the black amphibole hornblende.

Second, almost all granite is igneous (it solidified from magma) and plutonic (it did so in a large, deeply buried body or pluton). The random arrangement of grains in granite—its lack of fabric—is evidence of its plutonic origin. Other igneous, plutonic rocks, like granodiorite, monzonite, tonalite and quartz diorite, have similar appearances.

Third, granite is made of large mineral grains (its name is Latin for "granum," or "grain") that fit tightly together.It is phaneritic, meaning its individual grains are large enough to distinguish with the human eye.

Santa (St.) Cecilia granite

This granite is known for its many garnets (deep red minerals) with tannish feldspar, quartz, and dark biotite.

Black Pearl granite

This is not actually a granite, but a type of gabbro with pyroxene and amphibole.

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Bianco Antico granite

This granite is primarily quartz, with pink flecks of feldspar sourced from Brazil.

Black Galaxy granite

This granite is actually a type of fine to medium grained gabbro, black with golden flecks.

Uba Tuba granite

Uba Tuba granite is a type of granite mined in Brazil that takes on a dark color due to an abundance of mica.

Giallo Ornamental granite

Some versions of this granite appear to be partially metamorphosed, bringing it into the category of a gneiss. The metamorphosis, a result of heat and pressure, gives it the swirl texture. This granite has very little accessory minerals and is primarily white due to feldspar and quartz.

Kashmir White granite

Kashmir White granite is primarily composed of white feldspar and quartz, with distinctive red garnet crystals. This is not actually a granite, but a metamorphic rock.

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(New) Venetian Gold granite

A mixture of tan and white feldspar and quartz minerals with amphibole, mica, and garnets to add dark black and red coloring.

Tan Brown granite

The tan here refers to a variation of feldspar, with trace amounts of potassium to give it a very faint pink color. The brown and black flecks are likely abundant amphibole.

Volga Blue granite

This is actually an Anthrosite, an intrusive igneous rock that gets its iridescent blue color from labradorescence.

That wraps up this guide to granite colors and hopefully taught you a lot about the different varieties of granites and granites colors , much-different set of criteria for granite. Granite is a strong stone because its mineral grains have grown tightly together during a very slow cooling period. Additionally, the quartz and feldspar that compose it are harder than steel. This makes granite desirable for buildings and for ornamental purposes, want to know more detail ,connect YeYang.


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