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Crystal Wholesale – What is Crystal?

Crystal Wholesale – What is Crystal?

Physically, crystal is a rare mineral, a kind of gemstone, and quartz (Quartz) crystalline mineral belongs to the quartz family in mineralogy. The main chemical component is silicon dioxide, and the chemical formula is SiO2. When it is pure, it forms colorless and transparent crystals. Western countries believe that as long as it is transparent, it is crystal, so the word crystal includes colorless and transparent glass (K9 type, ordinary glass is blue), and also includes natural crystal ore. . The ancient Chinese crystal names are more than ten kinds of names, such as water essence, water green, water jade and spar.

How are crystals formed?
Crystal growth is mostly underground and in caves, which requires abundant groundwater sources, and groundwater mostly contains saturated silica. At the same time, the pressure in it needs to be about twice to three times that of atmospheric pressure, and the temperature needs to be At 550-600 ℃, and then given an appropriate time, the crystal will be crystallized into a hexagonal columnar crystal according to the natural law of the “hexagonal system”.

Natural Crystal. Well-developed single crystals are hexagonal pyramids, usually massive or granular aggregates. When they contain trace elements such as Al, Fe, etc., they appear purple, yellow, brown, etc., and different types of color centers are formed by irradiating trace elements, resulting in different colors. colors, such as purple, yellow, brown, pink, etc. The crystals containing associated inclusion minerals are called inclusion crystals, such as hair crystals, green ghosts, etc., and the inclusions are rutile, tourmaline, actinite, mica, chlorite, etc.

Goethite, hematite, rutile, magnetite, tourmaline, garnet, mica, chlorite, etc. form inclusion crystals, such as hair crystal, titanium crystal, green ghost, etc. The hair crystal contains visible to the naked eye. hair-like acicular mineral inclusions. Those containing manganese and iron are called amethyst; those containing iron (golden or citron) are called citrine; those containing manganese and titanium are called rose quartz, that is, pink crystal; those with smoky colors are called smoky crystals; those with brown colors It is called citrine; the black and transparent one is called ink crystal.

When the crystalline silica is perfect, it is crystal; when the crystallization is not perfect, it is quartz: agate after gelation and dehydration of silica; opal after solidification of the colloidal silica containing water; Chalcedony, flint, secondary quartzite.

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