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What is the difference between yellow quartz and white quartz

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Quartz sand is yellow or white. The raw materials may be different, there may be too many impurities, etc. Yellowing can be divided into two types: the first is the quality problem of quartz raw material production, and the second is the formation of the next day due to poor maintenance and environmental impact.
Quartz is a mineral resource with very stable physical and chemical properties. Quartz stone is the abbreviation for plates produced by current quartz slab manufacturers. Because the main component of the plate exceeds 93% quartz, it is called quartz stone.
Due to the difference in particle size, color, inclusions, etc., there are many variants
1. Crystal quality includes: colorless transparent crystal; purple amethyst (commonly known as amethyst); citrine, smoked crystal or smoked crystal, smoked yellow, smoked brown to almost black; light yellow transparent lemon color; rose-red Rose quartz (commonly known as hibiscus stone); milky white milk quartz. Due to scaly inclusions, such as hematite or mica, Aventurine has speckled flashes.
2. Cryptocrystalline variants include chalcedony composed of fiber microcrystals; agate from colloid; tiger's eye made of quartz instead of fiber asbestos, etc.
3. Cryptocrystalline variant is composed of granular crystallites, usually containing a mixture of other minerals, these minerals are opaque, mainly fl stone, gray to black (usually called fl stone). Jasper, dark red or greenish-yellow, is blue-green due to the iron oxide impurity Isocolor. Large quartz crystals are mainly produced in pegmatite spar. Large amounts are usually produced in hydrothermal veins; granular quartz is the main mineral component of many rocks such as granite, gneiss, and sandstone. In addition to crystals and agates, in addition to being used as gemstones or craft materials, relatively pure ordinary quartz is also widely used as glass raw materials, abrasives, and siliceous refractory materials. Impure quartz is an important building material.
Physical properties
Crystal system: hexagonal crystal system crystal: equiaxed, columnar, hexagonal double cone
Aggregate shape: massive, coarse-grained, stalactite, tuberculosis
Hardness: Mohs hardness is 7
Cleavage/fracture: Conchoidal fracture
Luster: glass luster
Color: none, white, slightly gray, yellow to orange, purple, dark purple, pink, taupe, brown, black stripes: white
Ratio: 2.65~2.66
Comparison of other features:
1. Brittleness
2. Thermoelectricity
3. Refractive index 1.533~1.541, birefringence difference 0.009, dispersion 0.013
4. Quartz has strong piezoelectricity, that is, strong impact and friction will produce sparks. This is the method of ignition with flint.
5. Common inclusions in quartz are: hair crystals-mainly rutile; grass-infused crystals-mainly tourmaline; bladder crystals-liquid inclusions in quartz; blue quartz-light blue rutile needles inside; Milk quartz-turbidity caused by fine water holes; green quartz-composed of plate-like or fragmented chlorite, sometimes maybe green needle-like actinolite; aventurine-quartzite contains green or red-brown mica The flakes, also known as yaw quartz, are commonly known as aventurine. Smoky black to dark brown smoky crystals is common, mainly because these rocks contain a lot of radioactive uranium and thorium.

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