Hessonite is a red to orange/yellow colored variety of grossular which is a variety of garnet.
The International Gem Society (IGS) has a list of businesses offering gemstone appraisal services.
|Is a Variety of||Grossular|
Hessonite is from a Greek word meaning inferior. This refers to it having less hardness than other garnets.
Hessonites are an orangish variety of grossular garnet. Sometimes their coloring leans towards the pink. Asbestos, Quebec is one of the most common sources. The miners find pinkish orange crystals among the asbestos. Africa is also a major source for hessonite.