10+ Different Types of Sand

Adeleke Adewale
Different Types of Sand

Sand is from rocks that have been broken up and eroded over time and broken down to form much smaller particles; however, there are different types of sand based on their color and size.

Erosion of soil, weathering of the rocks, broken pebbles, and gravels carried by the rivers, streams, etc., caused most types of sand.

Furthermore, Silica is one of the primary ingredients of sand. Silica is a naturally occurring material found in nearly a quarter of the Earth’s crust.

Sand is arguably one of the most used materials in the building industry. Furthermore, Several products like concrete and mortar, bricks and blocks, glass, casting molds, and many other things come from sand.

Table of Contents

Different Types of Sand

There are two ways of classifying different types of sand.

They are;

  • Based on the colour
  • Classification based on Miscellaneous factor
  • Based on the size

Classification based on the color

White sand

From the name, the color of this type of sand is white. The white sand is eroded limestone and contains coral and shell fragments. Furthermore, white sand may also contain magnetite, chlorite, glauconite, coral, and shell fragments.

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Black Sand

The color of this type of sand is black, and it is essentially volcanic materials, fragments of lava, and coral deposits.

Pink sand

This type of sand is reddish-pink. Foraminifera, a microscopic organism with a reddish-pink shell, is responsible for the reddish-pink color of the sand.

White-Grey sand

This sand is a type of sand that comes from the white sand and has white-grey color. Furthermore, this sand is well-graded.

Red- Orange Color

Red-orange color is a type of sand that has the characteristics of reddish-orange color. Furthermore, Iron oxide is responsible for the red-orange color.

Light Brown Color

As the name implies, this type of sand is light brown, and it essentially consists of rounded grains.

Classification based on Miscellaneous factor

Coral Sand

Coral sand is a type of sand known to be light-colored sand mainly composed of calcareous fragments. Furthermore, It consists of a mixture of particles originating from the tropical and the sub-tropical marine environments.

Furthermore, the coral sand is abundant in the Caribbean, around Hawaii, Polynesia, Indonesia, the Indian Ocean, the Australian North coast, the Red Sea, etc.

Immature sand

This type of sand is composed of the same minerals that make up its parent rocks. 

Glass Sand

This type of sand mainly consists of silicon dioxide, the main element. Furthermore, glass sand is suitable for water purification and filtration, road, and concrete.

Gypsum Sand

This type of sand consists of the calcium sulfate dihydrate as the significant component, called Gypsum (CaSO4. 2H2O). Gypsum is soluble in water.

Ooid Sand

This type of sand is pellet rounded and spheroidal coated sedimentary grains. Furthermore, The main constituent of Ooid sand is calcium carbonate. The diameter of Ooid sand is less than 1mm.

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Pit Sand

Pit sand is pure sand. Furthermore, It’s collected from the bottom by digging a pit.

Furthermore, Sand grains are primarily sharp and porous. The depth is about 1m – 2m from the floor stage.

However, its superior high quality is extensively utilized in civil building and mortar making. However, the fine pit sand does not stain when rubbed between the fingers.

River Sand

This type of sand is at the river beds and banks. Furthermore, They are almost white. The river sand grains are more desirable for the plastering works because they are comparatively smaller than the pit sand.

Sea Sand

This kind of sand is from the seashore, and the sea sand is light brown. We don’t use sea sand for building because of the availability of salt. 

Furthermore, this sand also contains a significant amount of organic matter, which duly decompose in the body of the mortar—reducing their strength as well as the life span and strength.

Green Sand

This type of sand consists of greenish materials, and it is in various deserts of the world.

Brick Sand

Brick sand is a type of sand that we use for brickwork. Furthermore, the finest modulus of this sand should be 1.2 to 1.5 and should not contain more than 4% silt.

Plaster Sand

Plastic sand is a type of sand that we use for plastering work. Furthermore, the most acceptable modulus should not be more than 1.5, and silt content should not be more than 4% in this type of sand.

Lithic Sand

Lithic Sand sand is composed of tiny rocks or comparatively more little rock fragments.

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Olivine sand

This type of sand is volatile. For steel casting sectors, you can use olivine sand. But, it is a common sand mineral in some areas and sometimes makes up a significant part of the sand.

Volcanic Sand

This type of sand is in the affected areas by volcanoes. Furthermore, the volcanic sand is dark in color. Sometimes, some amount of coal is in the volcanic sands.

Silicon Sand

Quartz sand is another name for silicon sand. Furthermore, Silicon dioxide or quartz is the main element that forms this sand.

Classification based on the size

  • Fine sand: This type of sand is for plastering work. Furthermore, the sand passing through a sieve with an opening of 1.5875 mm
  • Coarse sand: It is for mortar and masonry works. Furthermore, The sand pass through a sieve with an opening of 3.175 mm.
  • Gravelly sand: The sand is passing through a sieve with an opening of 7.62 mm called as the gravelly sand. Gravelly sand uses for concrete work. In conclusion, It generally used for concrete operations.
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