The Ceylon Natural Peach Sapphire, also this stone color also known as the “champagne” sapphire, is a stunning gemstone with its soft peach hue and alluring beauty. At 3.59 carats, this loose faceted stone boasts a round shape and is completely natural and unheated, a rare find in the gemstone world. Sourced from the famous […]
Ceylon blue sapphires have long been revered for their beauty, rich history, and exceptional qualities. At Danu Group, we are proud to present this stunning 1.57-carat natural blue sapphire from the renowned gem-mining region of Rakwana, Ratnapura district, Sri Lanka. Known as the “Gem Island,” Sri Lanka is famous for producing some of the highest […]
Nestled in the heart of Ratnapura, Sri Lanka, the gemstone capital of the world, lies a treasure of unparalleled beauty: the Ceylon Natural Light Blue Sapphire. This exquisite gemstone is a testament to the rich tapestry of nature’s artistry, and it’s now available for you to own from the esteemed Danu Group Gemstones Collections. A […]
I have already uploaded various shape of sapphire crystals on my website what I found from Sri Lanka and other countries. But, this is an amazing shape of crystal look like a “fish“. I found this stone from City of Gem Ratnapura, Sri Lanka. Do you know, sapphire family has various kind of heating sapphire […]
Nice colors are a big dream when we work with gemstones. There is an unheated green sapphire and padparadscha sapphire from Sri Lanka and Madagascar. Dreams never end. When I saw both stones in the lot, I imagined. Beautiful sunset through the green forest Yellow Sapphire and Pink Sapphire can be seen in the market […]
Yellow and blue colors are very interesting colors in the Sapphire family. Yellow Sapphire is yellow color variety of corundum Family and called as “pushparaga“. The names derived from Sinhalese Sanskrit word. Blue Sapphire is also a very valuable and popular stone in the corundum family. When Both colors have in one stone separately, It’s […]
We did zircon heat-treatment article before with traditional oxidising method. You can see that, We were able to get good yellow color from dark brownish purple zircon. In this time, We did oxireducing by using traditional method. That heating method has been using in Sri Lanka for 1000 years. Old businessmens say, their grand fathers […]
Mining on the island of Sri Lanka goes back at least 2000 years. We have our own heritage in the mining arena. Our island is called Gem Island & also “Ratna Dweepa” because of the large variety of gems found here. Traditional gem mining methods have been using in Sri Lanka for 2000 years. Most […]
Madagascar is an island country in the Indian Ocean, approximately 400 kilometers off the coast of East Africa. At 592,800 square kilometers, Madagascar is the world’s 2nd largest island country. Firstly, Sapphire deposits were found in Madagascar in 1998 it created a sensation in the gems world. The major sapphire deposits discovered in the tiny village […]
Fibrolite is an aluminosilicate mineral with the chemical formula Al2SiO5. Fibrolite is fibrous form the gemstone variety of sillimanite. Although fibrolite has priority over sillimanite, the two species were not ultimately recognized as the same species until about 1854 by James Dwight Dana. Named in 1802 by Jacques Louis Comte de Bournon because of its fibrous habit. It is an Orthorhombic […]
