description Hessonite Garnet Overview
Hessonite garnet is a transparent to translucent variety of grossular garnet, a calcium aluminum silicate mineral. It commonly ranges from yellow and orange to reddish-brown and is often called cinnamon stone because of its characteristic warm color. Sri Lanka has long been an important source of gem-quality hessonite, which is cut for jewelry. Its color and internal features help distinguish it from other garnet varieties.
help Hessonite Garnet FAQ
What mineral is hessonite garnet?
Hessonite is a transparent to translucent variety of grossular garnet, with the general formula Ca3Al2(SiO4)3. Its warm yellow-orange to reddish-brown color distinguishes it from the more familiar red garnets. [International Gem Society](https://www.gemsociety.org/article/hessonite/)
Why is hessonite called cinnamon stone?
The name refers to its characteristic cinnamon, honey, orange, and reddish-brown colors. The nickname is used in gem trade descriptions for hessonite, especially material from Sri Lanka.
Why is Sri Lanka important for hessonite garnet?
Sri Lanka has long produced hessonite from its alluvial gem gravels, including the famous Ratnapura gem region. The island is historically known as Ceylon, which is why older gem descriptions often say Ceylon hessonite.
What does the roiled look inside some hessonite mean?
Some hessonites show swirling internal textures often described as treacle or heat-wave inclusions. This appearance can be attractive, but it is not by itself a complete authenticity test.
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