As the birthstone for August, peridot is an ancient gemstone variety. The ancient Egyptians used it as an ornament more than 1,000 years ago and called it "Evening Emerald." The ancient Romans believed that olivine had the magical power of the sun, which could drive away evil spirits, subdue demons and bring light and hope to humans. They call it "the gem of the sun" and use it as an amulet. Peridot is also a commemorative gem for the sixteenth anniversary of marriage monogram silver necklace.
Peridot, derived directly from French “Peridot”. And Olivine, derived from the Latin “Oliva”, gets its name because its color is similar to olives. It belongs to a family of island-structured silicate minerals in the rhombic system, the main chemical formula is R2Sio4, R = Mg, Fe, Mn, Ni. Due to the homomorphic substitution between them, they can form hortonolite, ferrotephroite, talcknebelite, kirschsteinite and other series. But not all of them can become gem grade gemstones, and most of them are collected as ore marks. The common olivine personalised necklace cheap in the market are mostly forsterite and hortonolite, color yellowish green and green.
Elements of olivine quality
The value of olivine is mainly affected by the color and size. Because of the many cracks in the olivine raw material, there are fewer raw materials that can grind larger stones, and the gem production rate is low.
- Color. The main colors of olivine range from pure green to yellowish green to greenish yellow. The greener the color, the better. It is better not to have a brown tone. The strong green color bracelet for your girlfriend is more common in large particles of olivine (10ct or more). Other colors, such as orange, pink, and blue, are relatively rare. Gem-grade orange olivine is produced sporadically in Germany, but other colors rarely have gem-grade ones, most of which are mineral standards.
- Clarity. The cleaner the better, the inclusions are obvious to the naked eye and will also reduce the value of the gem custom friendship necklace.
- Cut. Olivine is cut into various shapes, using a variety of cutting styles. Production involves all standard gem shapes, such as round, oval, pear, cushion, triangle, horse eye, etc.
- Size. The standard olivine cuts used in the jewelry industry come in a variety of shapes and sizes. The smaller the gem best friend rings, the cheaper it is. But the price of gems larger than 10 x 8 mm (about 3 carats) has risen significantly. Dark green and high quality olivine is mostly produced near the Himalayas in Myanmar and Pakistan. Most of the standard size and quality gems are mainly from the United States and China.
Where is the main origin of olivine?
Olivine was originally found mainly on the Egyptian island of Zabajat in the Red Sea. Now the yield is small, but the grain size is large. There are still a few centimeters of gem produced.
The Mogok region in Myanmar is an important olivine producing place in the world, where some large particles of olivine personalized necklaces are produced. Arizona in the United States also produces olivine. Olivine from Chihuahua in northern Mexico with a distinct brown. The olivine grains produced in Norway are small and have a light green color, but the color is purer and brighter, and the transparency is better. Brazil is a large country producing colored gems, where high-quality olivine is produced.