Peridot Information's

 

Peridot Details 

Peridot is a green gemstone that is a variety of the mineral olivine. It is one of the few gemstones that exist in only one color, although the shade of green may vary from yellowish green to brownish green.

Origin and Varieties

Peridot is found in many parts of the world, including the United States, Egypt, China, and Pakistan. It is also found in meteorites. Peridot comes in a variety of shades of green, including:

• Olivine: Olive green color
• Yellow-green: Yellowish green color
• Brown-green: Brownish green color

Physical Properties

• Hardness: 6.5-7 on the Mohs scale
• Density: 3.27-3.37 g/cm3
• Cleavage: Poor
• Fracture: Conchoidal to uneven
• Luster: Vitreous to greasy

Optical Properties

• Refractive Index: 1.63-1.69
• Birefringence: None
• Dispersion: 0.035
• Pleochroism: None

Elementary Chemical Analysis

Peridot consists of about 44.8% silica, 37.9% magnesium oxide, and 16.8% iron oxide by weight.

Most Desirable Color

The most desirable color for peridot is a bright Green (with less yellow tint) just like 7 up bottle.

The World's Most Biggest Crystal

The largest peridot ever found was a 311 carat peridot that was discovered in Pakistan in 2007.

History

Peridot has been used as a gemstone for thousands of years. It was popular in ancient Egypt and was often used to decorate Pharaohs' tombs. It was also used by the ancient Greeks and Romans.

Uses

Peridot is used as a gemstone and is often used in jewelry such as rings, earrings, and necklaces. It is also used in watches and as a decorative stone.