Hessonite Gomed Gemstone 4.21ct
This Hessonite Garnet is natural gemstone which is Honey Brown color, it’s Originates from Ceylon and it’s exact weight is 4.21ct the measurements are 11.09×9.28×4.70mm, the shape and cut of this stone is Oval mixed cut. It’s graded Transparent and clarity is good. This 4.21ct Brown Natural Hessonite Garnet Gem is available for ready to ship anywhere in the world. You can also select Certification and shipment method as optional.
|Species||Natural Hessonite Gomed|
|Shape/cut||Oval Mixed Cut|
Hessonite Garnet Gemstone 4.21ct
Properties Of Hessonite Garnet Gemstone
Chemical Composition: Ca3Al2(SiO4)3 + Fe Calcium Aluminum Iron Silicate
Hardness: 6.5 – 7.0
Specific Gravity (Density) : 3.594 (g/cm3)
Refractive Index : 1.731 – 1.754 Isotropic. RI increases with increasing iron contents (usually Fe3+).
About Hessonite Garnet Gemstone
Hessonite is the more common variety of Grossular Garnet which is a member of the Garnet Group of minerals that includes Almandine, Andradite, Grossular, Pyrope, Spessartine and Uvarovite. Other varieties of Grossular Garnet are Hessonite, Rosolite and Tsavorite. Hessonite is named from the Greek word “hesson” meaning “inferior”, because of its inferior hardness to other varieties of Garnet. Hessonite Garnets range in colour from cinnamon-brown to orange and have been called “Cinnamon Garnet” because of its colour. The colour is due to the addition of iron to its chemical formula. Gem quality Hessonite is found in Sri Lanka, Tanzania, Brazil and California, USA.
Grossular, also known as Grossularite, is a calcium aluminium variety of the Garnet Group. The name Grossular is derived from the botanical name for the gooseberry, Ribes Grossularium, in reference to the green variety of Garnet that was originally found in the Vilyui River Basin, Eastern-Siberian Region, Russia. Hessonite, The name Garnet comes from the Latin word granatus meaning grain. This is from the comparison of garnet grains in rock looking like the dark red seeds of the Pomegranate fruit scattered on the ground. Tsavorite, Rosolite and Viluite are varieties of Grossular and are not recognised as distinct mineral species.