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types of gemstones
Some call it precious stones, others call it precious stones in addition to the name of the tiber, and it is composed of a group of minerals that are composed of two or more elements, and the basic material included in its composition is silica in addition to a few impurities, specifically mineral

Distinguish between the types of gemstones
A distinction is made between the types of these stones based on the difference in the material or the constituent elements present in them, and these stones are usually extracted from volcanic areas so that they are specifically found in volcanic pebbles and the rivers next to them.

Among the most important gemstones, we will discuss here the most important types of gemstones as follows: Sapphire: is one of the most important and rare gemstones, and it is expensive, and it has different colors, most notably bright and dark red, but The color gradually becomes light when exposed to heat.

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Diamonds: It comes after the sapphire in importance. It is distinguished by its purity and has a white color. It was basically coal and transformed due to pressure and time into diamonds, and in order to manufacture it, it is subjected to high temperatures.

Emerald: It is a type of beryl mineral, which consists of beryllium silicate and unlike aluminum silicate, which is dark green, transparent and deep, and is extracted from rocky and marble mines, the rest of the other gemstones.

Sapphire: It is called by a group of other names, most notably sapphire or sapphire in addition to sapphire, and some call it blue sapphire.

Star Sapphire: It is transparent or semi-transparent, with a series of white lines interspersed. Agate: It is a mineral that is opaque and dark in color, as it is impure and unable to crystallize, and its color is mostly red as it has a yellow, green, blue and gray color.

Amethyst: Known as the eastern sapphire, its color is light or dark purple, and some of it is transparent purple, and it consists of two types, knowing that the original type consists of silicon dioxide.

Turquoise: It is one of the oldest gemstones. It is characterized by green and gray color, and there is no crystal. The main component in it is aluminum phosphate, which is mainly composed of copper water. Topaz: It is called yellow sapphire or yellow sapphire

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Which is a transparent metal of yellowish-golden color, noting that there are other types of it that are blue, brown or yellow, and it is extracted from granite quarries. Lapis lazuli: It is called agarwood and its color is dark blue

It is found in abundance in Iran, and it consists of a group of compounds, most notably aluminum and sodium silicate mixed with iron and sulfur.

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