Description
Kyanite Gemstone 2.78ct Madagascar
Description
This Kyanite is natural gemstone which is Greenish Blue colour, it’s Originates from Madagascar and it’s exact weight is 2.78ct the measurements are 10.27×7.50×3.76mm the shape and cut of this stone is Oval Mixed Cut. It’s graded Transparent and clarity is good. This 2.78ct Greenish Blue Colour natural Kyanite Gem is available for ready to ship anywhere in the world. You can also select Certification and shipment method as optional.
Details
Summary No | ak03928 |
Species | Natural Kyanite |
Weight | 2.78ct |
Shape/cut | Oval Mixed Cut |
Colour | Greenish Blue |
Dimension | 10.27×7.50×3.76mm |
Clarity | Good |
Transparency | Transparent |
Origin | Madagascar |
Treatment | None |
Kyanite Gemstone 2.78ct Madagascar
Properties Of Kyanite
Chemical Composition: Al2SiO5
Hardness: 5.5 – 7.0
Specific Gravity (Density): 3.53 – 3.65
Refractive Index: 1.712 – 1.734
About Kyanite
Kyanite is really a gem that is gorgeous differs in colour from pale blue to very dark blue to green and hardly ever yellowish or pink. Crystals from Brazil may have both blues and zoned lengthwise that is green. A discover that is recent Tanzania has produced stunning orange crystals. The blue variety is most common and may also have a breathtaking colour that is sapphire-blue. Kyanite is somewhat rare as being a gem that is faceted to its perfect cleavage and extreme variability in hardness in numerous instructions. Kyanite is trimorphous with Andalusite and Sillimanite meaning all three share the same chemical that is basic but have different crystal structures. Notable sources of treasure material are Minas Gerais, Brazil, Nepal, Loliondo, Madagascar, Tanzania and Tibet.
Distribution: Widely distributed, even yet in good crystals. From Mt. Greiner, Zillertal, Tirol, Austria. At Alpe Sponda, Pizzo Forno, and at Alpe Campolungo, Tessin, Switzerland. Into the Pfitschtal, Trentino-Alto Adige, Italy. From RÃros, Norway. Around Yekaterinburg (Sverdlovsk), Ural Mountains, Russia. At Elovyi, Klavoloke, Karelia. From Sultan Hamud, Machakos district, Kenya. Big crystals from a truly wide range of localities in Minas Gerais, Brazil, as at Barro do Jacuri. Gorgeous orange crystals from Nani, Loliondo, Arusha area, Tanzania. In America, at Lyme, Grafton County, New Hampshire; at Judd’s Bridge, Litchfield County, Connecticut; at Darby, Delaware County, Pennsylvania; from near Bakersville, Mitchell County, and near Burnsville, Yancy County, North Carolina; on Willis Hill, Buckingham County, Virginia.