Quartz Stone

Quartz Stone Supplier

Definition

A hard mineral consisting of silica, found widely in igneous and metamorphic rocks and typically occurring as colourless or white hexagonal prisms. It is often coloured by impurities (as in amethyst, citrine, and cairngorm).

Generally it is a crystalline material composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth’s continental crust, behind feldspar.

Quartz exists in two forms, the normal α-quartz and the high-temperature β-quartz, both of which are chiral.The transformation from α-quartz to β-quartz takes place abruptly at 573 °C (846 K; 1,063 °F). Since the transformation is accompanied by a significant change in volume, it can easily induce fracturing of ceramics or rocks passing through this temperature threshold.

Quartz Stone Supplier

Apurva Enterprises is among the top Quartz Stone Supplier in Kolkata, Siliguri, Burdwan, West Bengal, Bihar, Jharkhand, Odisha, and Bangladesh and provides quartz stone that best suits industries that manufacture home interiors, kitchen countertops, accented walls, and bathroom vanity. Apurva Enterprises exports high-quality rock quartz all over the world for industrial uses, Quartz Stoneis a beautiful natural mineral and a precious give from the earth. It generates healthful and happy energy, restores harmony. Apurva Enterprises is among the Best Quartz Stone Supplier in Kolkata, Siliguri, Burdwan, West Bengal, Bihar, Jharkhand, Odisha, and Bangladesh. On the Apurva Enterprises website, you can find and order not only quartz but many other minerals like bauxite, dolomite, kaolin and all the high-quality minerals and mineral ores that Apurva Enterprises exports to the world.

Quartz Stone is a mineral that is abundant on earth, and grains of sand is made of quartz. Found in abundance in Rajasthan, Quartz Stone is known as a strong mineral and is hard enough to scratch the surface of the glass. Apurva Enterprises is a top Quartz Stone Supplier in India that brings high-quality quartz directly from mines located in Rajasthan to its clients, customised to suit their requirements. 

Quartz Stone has been known to humanity since the time immemorial as in old times, humans used it to lit fire and give sparks when rubbed or struck with the surface of metal and cloth as it will become electrified. 

Pure Quartz Stone is colourless like glass. Apurva Enterprises is the leading supplier among pure Quartz Stone Suppliers in India. The presence of different colours in Quartz Stone shows the presence of metal ions; this phenomenon occurs when other metal ions get embedded into the quartz crystal lattice during formation and give it colours. The presence of Titanium gives blue colour, Red or pink colour comes from Iron, Presence of Green is due to copper. 

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Quartz Applications :

1) Jewelry and gemstones

For centuries, quartz has been used in jewelry production and as gemstones. The hard, polishable, crystalline and durable nature of quartz make it an excellent material for this purpose. The varieties of quartz popularly used as jewelry and gemstones include Citrine, Amethyst, Ametrine, rose quartz, Aventurine, and Opal. Quartz with microcrystalline (cryptocrystalline) structures like Agate and Jasper is also used as gemstones.

2) Glassmaking

Glassmaking is one of the primary uses of quartz. Glass is manufactured from a chemical compound known as Silica dioxide (SiO2) (a colorless crystalline compound found as quartz, sand or flint). This silica dioxide (which must be 99.9% exceptionally pure) is melted and allowed to cool down into whichever shape or dimension desired. Optical-based quartz crystals are used in the manufacture of lasers, microscopes, telescopes, electronic sensors, and scientific instruments.

In India, almost half of the quartz consumption is in the glass industry. Quartz sand is commonly used in the Indian glass industry for making container glass, flat glass, plate glass, specialty glass, fiberglass, bottles, table glassware, and other glassware. Quartz supplying industries such as Unique Crystal minerals LLP supply a large amount of quartz sand which is widely used in the Indian Glassmaking Industry.

3) Watches and clocks

Quartz crystals contain oscillators that possess the ability to vibrate at precise frequencies that helps to regulate the movement of the watch or clock, thereby making them accurate timepieces. Quartz crystals possess the piezoelectric effect (the ability to produce electricity when subjected to mechanical stress) which is also used to keep a tab on time.

4) Foundry materials (Metal Casting Industry)

Quartz sand is often blended with cohesive agents such as clay, resin sodium silicate, and oil, and used for the purpose of molding and metal casting. The properties of quartz sand such as high melting point, high strength and refractoriness help in the process of metal casting. Also, microcrystalline quartz is used to smoothen out crude edges on metals after they are cut, cast or drilled.

In the metal casting industry, Quartz sand is also added to molten metals for the process of removing impurities, mostly oxygen. The sand gets bonded with the impurities and is then easily removed.

5) Refractory industry

Quartz sand is used in the production of refractory bricks because of its sheer strength and resistance to heat. It is also used as a flux to smelt out crude edges on metals after they have been cast, cut or drilled.

6) Abrasives

Due to its hardness (it is harder than most natural minerals), and resistance to corrosion, quartz sand is considered a wonderful abrasive. Also, it is used for sandblasting, glass grinding media, scouring cleansers (powder), and sanding and sawing grit.

7) Petroleum industry

Silica sand, alongside water and other chemicals under high pressure, is forced down into a bedrock formation via a well. The high pressure fractures the bedrock, the silica sand injects into the fractures and holds it in place, creating a passage for the flow of natural gas from the bedrock formation into the well. This process is known as hydraulic fracturing.

8) Kitchen Countertops

Engineered quartz stone, which are industrially made from raw quartz, are popularly used as countertops and slabs in residential and commercial buildings.

Certain characteristics of engineered quartz stones distinguish them from natural stones such as granite and marble. The non-porous property of quartz makes it resist retaining stains. Hence, quartz countertops are easy to clean, does not retain stain, attractive, and luxurious.

9) Sharpening tools

Novaculite, a form of cryptocrystalline or microcrystalline quartz, is used in making medical incision devices, cutting weapons, and sharpening cutting tools for thousands of years even up to this day. Hones are used to sharpen razor, while whetstone or smooth stone is used to sharpen the edges of tools and knives.

10) Crucibles

Laboratory Crucibles are the containers that are used for holding chemicals when chemical or thermal tests are performed. Quartz has a very high melting point and is chemically inert, and so, is employed into making quartz crucibles that are used in the laboratories for performing chemical reactions and tests. The advantages quartz crucibles offer includes low expansion, thermal shock resistance, and excellent dimensional stability. Fused Quartz made from quartz granules is generally used in making such vessels.

11) Electronics

Just like in the production of wristwatches and clocks, quartz crystals are also used in electronics because it generates current on its surface when bent or compressed. Quartz crystals have been used for years to give an accurate frequency for all radio transmitters, radio receivers, GPS transmitters, and computers. This accuracy comes from the fact that quartz crystal is unaffected by most solvents, and remains crystalline to hundreds of degrees Fahrenheit.

12) Filler

Quartz sand and ground quartz (quartz in powder state) are used as filler in the manufacture of adhesives, putty, paint, and rubber. This powder provides properties such as durability, chemical inertness, strength, and wear-resistance.

Quartz sand is used in the manufacture of traction in railroad and mining industries due to its durability and large grains so as to minimize fracture. It is also used in the recreation of golf courses, volleyball courts, baseball fields, children’s sandbox, and beaches.

13) Ceramic Industry

Quartz sand is used in the ceramic industry for making ceramic tiles. The silica present in the sand helps in providing white color to the ceramic ware and helps in making the ceramic body.

14) Tripoli

Also known as rottenstone, it is high-quality crystalline silica usually in powder form. It is used to polish the jewelry, buff out stains from wood, as a filler, in plastics, paint, and rubber, and in toothpaste and soap production. Tripoli particles are rounded rather than sharp, thus, it is considered a mild abrasive.

15) Synthetic crystals

Synthetic crystals are grown in laboratories. They are artificially produced from dissolving raw silicon diode(SiO2) in an alkali water solution at a high temperature. Although this process is slow, it provides high purity and generally high-quality crystals that are almost as good as the naturally found quartz crystals. Synthetic quartz crystals are resistant to acids, corrosion, high temperatures, wear, impact, compression, bending and infiltration.

Synthetic crystals are employed in the electronics industry, semiconductor and the solar industry, photomasks, and even lithographic tools.

16) Water treatment plants

Quartz sand filtration system is using quartz sand as a filtration medium, at a certain pressure, if the higher turbidity of the water pass through quartz, it can retain remove suspended solids, organic matter, colloidal particles, micro-organisms, chlorine, odor and some heavy metal ions effectively.

Conclusion

Quartz possesses certain physical, chemical and electric properties that make it highly usable in a wide range of industries and sectors. From Jewelry making and gemstones, for its ability to luster, to brick making in the refractory industry for its physical strength and to watches and clocks for its piezoelectric property, quartz find uses in a wide range of industries.

In India, Quartz is mainly consumed in the glass and cement industry, followed by Ferro-alloys, Iron & Steel and Foundry Industry.