Whois & Analysis for shoprmcgems.com

Tanzanite is the blue/violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate) belonging to the epidote group.

It was discovered by a Tanzanian Jumanne Mhero Ngoma in the Mererani Hills of Manyara Region in Northern Tanzania in 1967, near the city of Arusha and Mount Kilimanjaro.

Tanzanite is used as a relatively cheap gemstone, where it can substitute for the far more expensive sapphire after undergoing artificial heat treatment to form a deep blue coloration.

Naturally formed tanzanite is rare and is endemic only to the Mererani Hills.

Beryl is a mineral composed of beryllium aluminium cyclosilicate with the chemical formula Be3Al2(SiO3)6.

Well-known varieties of beryl include emerald and aquamarine.

Naturally occurring, hexagonal crystals of beryl can be up to several meters in size, but terminated crystals are relatively rare.

Pure beryl is colorless, but it is frequently tinted by impurities; possible colors are green, blue, yellow, red, and white.

Paraíba (Tupi: pa'ra a'íba: "bad for navigation") is a state of Brazil.

It is located in the Brazilian Northeast, and it is bordered by Rio Grande do Norte to the north, Ceará to the west, Pernambuco to the south and the Atlantic Ocean to the east.

Paraíba is the third most densely populated state of the Northeast; João Pessoa, the sea-bordered state capital, and Campina Grande, in the interior, rank among the fifteen-largest municipalities in the Northeast of Brazil.

Sapphire is a gemstone, a variety of the mineral corundum, an aluminium oxide.

It is typically blue in color, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors.

The only color which sapphire cannot be is red - as red colored corundum is called ruby, another corundum variety.

This variety in color is due to trace amounts of elements such as iron, titanium, chromium, copper, or magnesium.

A birthstone is a gemstone that represents a person's month of birth.

Birthstones are often worn as jewelry and as pendants.