Jadeite: Till 1863, only jadeite was considered as jade when the other variety nephrite was found. Jadeite is made up of interlocking granules of pyroxene crystals and is found in variety of colors. The most valuable jade, which is known as the “imperial jade” is a rich emerald-green color, which is due to the chromium content. Jadeite has a greasy to pearly luster and exhibits a dimpled surface when polished.

Locations:

Jadeite is mainly found in Burma. The other important locality was Guatemala. Jadeite is also found in California (USA) and Japan.

Chemical Composition: Sodium Aluminum Silicate
Crystal Structure: Monoclinic
Hardness: 7
Specific Gravity: 3.33
Refractive Index: 1.66-1.68
Colors: Green, lilac, white, brown, pink, red, blue, black, orange and yellow.
Luster: Greasy to pearly

Astrological Relevance:

Being jade, jadeite is considered as one of the birthstones for the zodiac signs of Pisces (February 21 To March 21) and Virgo (August 22 To September 22).