Yuan Lei's Little Knowledge | Types and Properties of Quartz Ore

Release time:

2024-01-29 09:34

The main component of quartz is SiO2, colorless and transparent, often containing a small amount of impurities, and become translucent or opaque crystals, hard texture. Quartz is a kind of physical and chemical properties are very stable mineral resources, the crystal belongs to the trigonal system of oxide minerals. Quartz, also known as silica, is mainly the raw material for the production of quartz sand (also known as silica sand), and is also the raw material for quartz refractory materials and ferrosilicon.



Quartz ore resources are mainly these types of deposits, namely, natural crystal, quartz sandstone, quartzite, vein quartz, powder quartz and natural quartz sand.


01Natural Crystal

Natural crystal is a quartz crystal mineral, its main component is silicon dioxide (chemical formula: SiO₂), natural crystal alias is water, water jade, etc., usually massive or granular aggregates, generally colorless, gray, milky white, containing other mineral elements is purple, red, smoke (tea), yellow, green and so on.



02quartz sandstone

More than 90% of the detrital material of quartz sandstone is quartz detrital, with a few feldspars, rock debris, etc., and few heavy minerals, often stable and rounded heavy minerals, such as tourmaline, maltine, rutile, etc. The main component is silica, with a content of up to 95%-99.5%, which is mainly used in various aspects such as glass raw materials, siliceous refractories, metallurgical auxiliary raw materials and minerals.




Quartzite is a kind of metamorphic rock mainly composed of quartz, which is formed by metamorphism of quartz sandstone and siliceous rock. Quartzite is generally massive structure, granular metamorphic structure, a crystalline aggregate. The color of quartz is also very rich, common colors are green, gray, yellow, brown, orange red, white, blue, purple, red and so on.



04vein quartz

Vein quartz is a collection of quartz, milky white, gray white, grease luster, compact block, specific gravity of about 2.65, melting point of 1700 ℃ above, good temperature resistance, good acid and alkali resistance, poor thermal conductivity, high insulation, low expansion, stable chemical properties, hardness greater than 7.



05Powder Quartz

The parent rock of natural silt quartz ore is a dense quartzite composed of fine quartz particles with a uniform particle diameter. Under the action of surface weathering, the body is broken and finely broken into powder quartz. The content of silica is 95%-98%, some can be as high as 99%, and the content of Fe2 is 0.04-1%.



06natural quartz sand

Natural quartz sand is a non-metallic mineral substance, its main mineral composition is silica, the color is milky white or colorless translucent, hardness of 7, brittle without understanding, shell-shaped fracture, grease luster, density of 2.65, mainly used in glass, casting, ceramics and refractory materials, smelting ferrosilicon.


Quartz, natural, mineral, quartzite, silica, quartz sand, one kind, crystal, raw material

Different applications and specifications of washed kaolin and calcined kaolin


Kaolin is a non-metallic mineral, which is a kind of clay and clay rock mainly composed of kaolinite clay minerals. Because it is white and delicate, also known as white earth. It is named after Gaoling Village, Jingdezhen, Jiangxi Province.

Source Lei gas barium sulfate ten uses


Barium sulfate is based on barite as the main raw material, through beneficiation, ore washing, crushing and other processes. Barium sulfate has a hardness of 3~3.5 (Mohs) and a specific gravity of 4.3~4.7. It has the characteristics of high specific gravity, low hardness and brittleness. Barite is almost insoluble in water, ethanol and acid, soluble in hot concentrated sulfuric acid. With the development of some high-performance barium sulfate products, the application field of barium sulfate is constantly expanding.