what you need to know about marble is that marble with its many uses and applications occurs in large deposits that can reach hundreds of feet and are geographically widespread based on definition. This allows it to be economically mined on a large scale, with some mines and quarries producing millions of tons per year.
Most marble is made from crushed stone or size stone. Crushed stone is used as aggregate in highways, railroads, building foundations, and other types of construction.
Dimension stones are made by sawing marble into pieces of a certain size. It is used in monuments, buildings, sculptures, paving and other projects. We have an article on “uses of marble” that includes pictures and descriptions of marble in various uses.
Gray Marble
Gray Marble: This specimen has calcite cleavage measuring up to several millimeters that reflects light. The specimen is about two inches (five centimeters) long.
calcium carbonate to neutralize the acid
Calcium carbonate remedy: Marble is made up of calcium carbonate. This makes it very effective at neutralizing acids. The highest purity marbles are often ground into a powder, processed to remove impurities, and then used to make products such as Tums and Alka-Seltzer that are used to treat acid indigestion.
Crushed marble is also used to reduce the acid content of soil, the acid level of streams, and as an acid neutralizing material in the chemical industry. Photo copyright iStockphoto / NoDerog.
Rock and Mineral Kits: Get a rock, mineral, or fossil kit to learn more about earth materials. The best way to learn about rocks is to provide specimens for testing and analysis.
Color: Marble is usually a light colored stone. When formed from limestone with some impurities, it will be white in color. Marble that contains impurities such as clay minerals, iron oxide, or bituminous materials may be blue, gray, pink, yellow, or black.
Marble of very high purity with bright white color is very useful. It is often mined, crushed into powder, and then processed to remove as many impurities as possible. The resulting product is called “whiting.” This powder is used as a coloring agent and filler in paint, whitewash, putty, plastic, grout, cosmetics, paper, and other manufactured products.
Acid Reaction: Consisting of calcium carbonate, marble will react when in contact with many acids, neutralizing the acid. It is one of the most effective acid neutralizing ingredients. Marble is often crushed and used to neutralize acids in rivers, lakes, and soil.
Hardness: Made up of calcite, marble has a hardness of three on the Mohs hardness scale. As a result, marble is easy to carve, making it useful for making sculptures and decorative items. The translucence of marble makes it particularly attractive for many types of sculpture.
The hardness and low solubility of marble allow it to be used as a calcium additive in animal feed. Calcium additives are especially important for dairy cows and egg-producing chickens. It is also used as a low hardness abrasive for scrubbing bathroom and kitchen utensils.
Ability to Receive Polish: After sanding with progressively finer abrasives, marble can be polished to a high shine. This allows attractive pieces of marble to be cut, polished, and used as floor tiles, architectural panels, facing stones, window sills, stair treads, columns, and many other decorative stones.
Marble is a metamorphic rock formed when limestone is exposed to high pressure or heat. In its pure form, marble is a white stone in the form of crystals and sugar, made of calcium carbonate (CaCO3). Usually, marble contains other minerals, including quartz, graphite, pyrite and iron oxides. These minerals can give marble pink, brown, gray, green, or other colors. While true marble is formed from limestone, there is also dolomite marble, which is formed when dolomite [CaMg(CO3)2] undergoes metamorphosis.
Limestone, the source material for marble, is formed when calcium carbonate precipitates out of water or when organic debris (shells, corals, bones) accumulates. Marble forms when limestone undergoes metamorphism.
Usually, this occurs at the boundaries of convergent tectonic plates, but some marble forms when hot magma extrudes limestone or dolomite. Heat or pressure recrystallizes the calcite in the rock, changing its texture. Over time, the crystals grow and lock together to give the stone its characteristic sugary, sparkling appearance.
Other minerals in marble also change during metamorphism. For example, clay recrystallizes to form mica and other silicates.
Marble is found all over the world, but four countries account for half of its production: Italy, China, Spain and India. Perhaps the most famous white marble comes from Carrara in Italy. Carrara marble was used by Michelangelo, Donatello, and Canova for their masterpiece sculptures.
Property
The crystals that appear in marble give it a distinctive granular surface and appearance, but there are other properties that are used to identify the stone.
marble uses definitions and applications
Marble with its many uses and applications is considered a strong and hard stone, although its main mineral, calcite, only has a Mohs hardness of 3 based on definition. Marble can be scratched with a metal knife.
Marble tends to be light in color. The purest marble is white. Marbles that contain a lot of bituminous material can be black. Most marbles are light grey, pink, brown, green, yellow or blue.
Marble fizzes when in contact with dilute hydrochloric acid.
The statue of Abraham Lincoln in the Lincoln Memorial is made of white marble.
The statue of Abraham Lincoln in the Lincoln Memorial is made of white marble. Photo by Mike Kline (notkalvin) / Getty Images
Due to the shape of the marble, it occurs in large deposits in the world. It is economical to mine this common and useful stone on a large scale.
Most marble is used in the construction industry. Crushed marble is used to construct roads, building foundations, and railroad beds. Dimension stones are made by cutting marble into blocks or slabs. Sized stone is used to make buildings, statues, paving stones, and monuments. The statue of Lincoln in the Lincoln Memorial is made of white marble from Georgia, while the floor is made of pink Tennessee marble, and the exterior facade is marble from Colorado. Marble is vulnerable to acid rain and weather, so it can deteriorate over time.
The white marble is ground to make “whining”, a powder used as an illuminator and pigment. Powdered marble, together with limestone, can be used as a calcium supplement for livestock. Crushed or powdered marble is used in the chemical industry to neutralize acids, as a tablet filler, and to repair acid damage in water and soil.
Marble can be heated to remove carbon dioxide, leaving calcium oxide or lime. Lime is used in agriculture to reduce soil acidity.
Another definition of marble
Sometimes polished travertine is called marble. Travertine is a sedimentary rock.
Sometimes polished travertine is called marble. Travertine is a sedimentary rock. lacer/Getty Images
In the stone trade and general usage, crystalline carbonates that take a high polish may be called “marble.” Sometimes limestone, travertine, serpentine (silicate), and breccia are called marble. Geologists use a narrow definition of metamorphic rock formed from limestone or dolomite.
Real “marble” is made of glass, not marble. Solveig Faust/EyeEm/Getty Images
Original toys called “marbles” are marked “Made in Germany.” This toy is made by rolling clay or other pottery into a ball, then covering it with a blade and burning it until it looks like an imitation of agate. The marble features circular “eyes” from the firing process, which gives it the look of marble.
Glass marble entered mass production in 1846, with the invention of the German marble shears. Toys like marbles have been found in excavation sites in ancient Egypt and Mesopotamia. Early marble was a round stone, walnut, or clay. While some marbles are actually made of marble, the stone is too soft to be a suitable material for modern games. The name of the game reflects the appearance.
Marble deposits are found in different countries of the world. European countries such as Italy, Ireland, Spain, Greece, Russia, Romania, Sweden and Germany, along with other countries in Asia, are among the world’s leading producers of this precious stone. The United States is also a top producer of marble, with states like Alabama and Texas having particularly large deposits within their borders. However, the world marble production is dominated by Italy, China, India and Spain.
Uses a marble area
Marble is found in large deposits with a thickness of hundreds of fingers and a large geographical scale. This allows it to be economically produced on a large scale, with some mines and quarries yielding tens of millions of lots per year.
Most of these stones are made of crushed stone or size stone. Gravel is used as filler in highways, railways, building foundations and other types of construction. Dimension stone is made by cutting marble into pieces of a specific size. They are used in monuments, buildings, sculptures, pavement and other projects. We have an article on “uses of marble” that includes pictures and descriptions of marble for various purposes.
Rock Facts
- The color is usually white, but can be in different colors.
- It has been used in sculpture and flooring since ancient times.
- The Taj Mahal in India is made entirely of marble.
- It is usually found as limestone or dolomite.
- Calcite and dolomite crystals and aragonite are the main constituents of marble.
- Pollution is the color of marble.
- It is commonly found in other metamorphic rocks such as gneiss and mica schist.
Marble is a stone that is often used in buildings, monuments and statues. It is usually made of calcite or dolomite or a combination of these carbonate minerals. Most of the marbles of commercial importance were made in the Paleozoic or Precambrian period. Marble is found in many countries including Belgium, France, Greece, India, Italy, Spain and Great Britain.
South American countries also have large marbles. Georgia is the largest producer of marble in the United States. Other states that produce marble include Alabama, Colorado, Montana, Tennessee, Texas, and Vermont.
Marble is formed from limestone under the influence of heat and pressure from the earth. These forces cause changes in the body and structure of the limestone. This process is called recrystallization.
The minerals in the limestone react with the original carbonate minerals to form large grains of calcite. Impurities in the rock during remineralization affect the mineral composition of the resulting granite.
At low temperatures, the inclusions in carbonate minerals form chert or quartz crystals. At high temperatures, silicon reacts with carbonates to form diopside and forsterite.
At very high temperatures, rare calcium minerals such as lardite, monticellite and rankinite form in marble. If water is present, tar, talc, and other water minerals can form. The presence of iron, alumina and silica can lead to the formation of hematite and magnetite.
The minerals that come from the mixture give marble different colors. The purest calcite marble is white. Marble and hematite are pink in color. Marble and limonite are yellow, and marble and serpentine are green.
Pure white marble is the result of metamorphism of the purest rock. The twists and veins characteristic of many types of colored marble are caused by different mineral inclusions, such as clay, sand, sand, iron oxides or cherries, usually present as grains or tables in the limestone.
The green color is usually caused by the snake that was originally made from high magnesium limestone or dolostone with silica inclusions. These various inclusions were compacted and recrystallized by the forces of pressure and heat of metamorphism.
The marble is not easy to divide into equal sheets and must be mined carefully. If explosives are used, the battery may explode. Marble blocks are produced by machines that cut grooves and grooves into the rock. Encanes mark a block of marble with tiles and holes. Then they drove the stones into the holes and separated the block from the stone around it. The blocks are cut with a saw to the desired shape and size
Marble has long been valued for its beauty, durability, resistance to fire and erosion. The ancient Greeks used marble in many buildings and sculptures. The Italian artist Michelangelo used marble from Carrara, Italy in many sculptures.
Tennessee marble was used in parts of the National Gallery of Art in Washington. The Lincoln Memorial in Washington, D.C. built with marble from Alabama, Colorado, and Georgia.
Pure calcite marble is used for many sculptures. This type of marble is transparent, which means that light only penetrates the surface of the marble for a short distance before being reflected. Large blocks of colored marble are used for columns, floors and other parts of buildings. Small pieces of these marbles are crushed or cleaned and used to make soap and other products. Crushed or pulverized marble is also used in road pavements, building materials and soil treatment materials.
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