Hessonite
Hessonite is an orange-brown variety of garnet, coloured by traces of manganese and iron. It is sometimes known as cinnamon stone. Hessonite garnet is historically important, as it has a special place in the Vedic astrological tradition, it is one of the nine planetary gemstones. The best known hessonite deposits are in Sri Lanka, but hessonite is also mined in Brazil, India, Canada, Madagascar, Tanzania and the US.