Rare gemstones
Precious stones What distinguishes precious stones is their color, luster, transparency, and what gives them a higher price is scarcity, and how to extract them, which increases their value, hardness and scratch resistance may affect their physical value as well. Rare gemstones Sapphire Sapphire is a precious gem that ranks first in terms of the high cost, and belongs to the metal corundum of aluminum oxide, and is available in colors red, brown-red, or purple lilac. Diamonds are second only to sapphire in terms of importance, and are composed of carbon as a result of exposure to high temperature and pressure, and is characterized by the purity of white or transparent, and has many physical properties, the most important of its hardness and hardness. Emerald Emerald is the third most important, beryl metal and beryllium
and aluminum silicate, found in hard rock and marble mines, unlike most precious stones, and is characterized by a dark green transparent color. Exhalation is a kind of corundum metal blue color, is formed by heat and extreme pressure, known as the name of sapphire and also the name of sapphires or sapphires, and be in all colors except red, and the most famous and expensive blue transparent and ranks fourth in importance. Agate Agate is an opaque, pure, amorphous mineral, usually red, sometimes yellow, green, blue, or gray, a kind of quartz known as jade. Onyx or onyx is a semi-transparent metal chemically composed of crystallized silica-containing impurities of iron compounds.These impurities show different colors red, yellow, brown, and the most famous types are red onyx, known as pomegranate, and brown onyx known as hepatic. Amethyst Amethyst is a translucent mineral, popularly known as oriental
ruby sapphire, with a light purple, dark or purple color.The violet color acquires traces of manganese in its composition.The original amethyst is a kind of quartz made of silicon dioxide. Turquoise Turquoise is known since ancient times, its color is greenish-blue or greenish-gray and sometimes turns to light green, it is rare in its amorphous state, where it is composed of aluminum phosphate that contains copper water. Topaz Topaz, known as yellow sapphire or sapphire, is a translucent metal in a mainly yellow gold color, but there are blue, brown, or yellow varieties, whose crystals form within the cavities of hard granite and schist stones. Lapis lapis lazuli was once known as Aloha, a semi-precious and opaque stone, deep dark blue color, its chemical composition is double aluminum silicate and sodium mixed with iron and sulfur. Opal Opal is a semi-transparent gemstone in various colors, including blue, white, rare black, Portuguese red, green and yellow, with a shimmering luster.
