Zinc oxide is a compound which is a pure substance composed of two or more elements. They can only be separated or broken down into its individual elements or smaller compounds by chemical means.

The scattering of light by particles in a mixture.

An emerald can be described as a pure substance because it is a compound. a pure substance because it is an element. an impure substance because it is chemically combined.

An element is a chemical substance that can’t be divided or changed into other chemical substances by any ordinary chemical means. The smallest unit of an element is the atom….Elements (ESAAA)

Emerald is defined by its green color. To be an emerald, a specimen must have a distinctly green color that falls in the range from bluish green to green to slightly yellowish green. To be an emerald, the specimen must also have a rich color.

Emerald is the most famous member of the beryl family. Legends endowed the wearer with the ability to foresee the future when emerald was placed under the tongue, as well as to reveal truth and be protected against evil spells. Emerald was once also believed to cure diseases like cholera and malaria.

‘ The emerald has been considered a valuable gemstone since the ancient times and worn by royalty. People of ancient times thought of emeralds as a promise of good luck, and also to have healing properties or promoting good health.

For instance, while a one carat (1.0 ct.) good quality emerald may sell for somewhere between $525 and $1,125, a five carat (5.0 ct.) emerald of similar quality could sell for between $7,500 and $15,000 ( prices are for comparison only, exact prices vary according to market demand).

Out of all the ‘common’ precious stones, emeralds are the rarest and often the most valuable. When they’re unearthed and cut to true gem quality, they demand a higher cost than fine diamonds. It’s reported that emeralds are more than twenty times rarer than diamonds, which explains their extreme value.

The rarest and most expensive emeralds are mined from Muzo, Coscuez and Chivor in the green foothills of the Colombian Andes, which is where the stones in this magnificent pair of earrings, weighing an impressive 23.34 and 23.18 carats and both exhibiting a richly saturated homogenous green colour, come from.

The greater the carat weight, the higher the value of your emerald. As carat weight increases, price-per-carat increases as well.

Painite