Demantoid garnet contains titanium and manganese and is considered as the most valuable garnet due to its emerald-green color present due to the chromium element present in it. Surprisingly, demantoid garnet shows a higher dispersion than diamond and can be recognized by its characteristic �horsetail� inclusions, which are fine fibers of asbestos.

Locations:

Best demantoid garnet comes from Ural mines in Russia. Other localities include Zaire, northern Italy and Kenya.

Chemical Composition: Calcium Iron Silicate
Crystal Structure: Cubic
Hardness: 6.5
Specific Gravity: 3.85
Refractive Index: 1.85-1.89
Colors: Emerald green.
Luster: Vitreous to adamantine

Astrological Relevance:

Being garnet, almandine is also considered to be one of the birthstones for the month of January, which covers two zodiac signs: Capricorn (December 21 To January 21) and Aquarius (January 21 To February 21).