Danu Group

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 often, but, orangy-pink Sapphire sunset color is very rarely found from the earth. Many localities are found green sapphire deposits within the past few years. But, Bright color and good color hue green sapphires are not produced very often. Color is an essential thing when you buy a gemstone. Color is one of the main characteristic to increase and reduce gemstone value. Sapphire is found in several locations in the world. Also, Madagascar, Sri Lanka, and Burma produce the best quality sapphires to the International market. Furthermore, Sapphire can be found in a wide variety of colors such as gree...

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. Bi Color Sapphire – Wedding Stone When Both colors have in one stone separately, It's commonly called as Bi-Color Sapphire . But, It has a very special name as " wedding stone ". The name derives from Sinhalese old trade name " magul gala ". ( magul mean; wedding/gala mean; stone ). That Sanskrit word is been using for an ancient King's time. Bi Color Sapphire – Wedding Stone Sri Lanka , Australia , and Madagascar are also produced good quality wedding stones to the world market. Mostly, Wedding stone is popular in India and Sri Lanka with that name. It is also popular in other countries as a bi-color sapphire . S...

Tiger's eye is a member of the quartz group, a chatoyant gemstone that is usually a metamorphic rock with a golden to red-brown color and a silky luster. It's a silica mineral with chemical formula SiO2 ( Silicon Dioxide ). This chatoyant because of subparallel intergrowth of quartz crystals and altered amphibole fibres that mostly turned into limonite Tiger Eye Bracelets Tiger Eye Bracelets Tiger Eye Bracelets Tiger Eye Bracelets Tiger Eye Bracelets Tiger Eye Bracelets Tiger Eye can be found colors such as golden, Golden Brown, reddish-brown, brown, yellowish-brown. It's 7 hardness according to the mohs hardness scale with 2.64 – 2.71 specific gravity . Tiger eyes can be found in Australia , Burma , India , Namibia , South Africa , the United States , Brazil , Canada , China , Korea , China , Uk , and Spain . The tiger eye is usually cut as a cabochon cut to display their chatoyance very well. Tiger Eye Bracelets The tiger eye has been ch...

When you use gemstones , You should know about Crystal cleaning . It will help you to get best results. There are a few methods to clean crystals and gemstones. 1. Cleaning and re-energizing with ocean energies 2. Cleaning and re-energizing with flowing water energies 3. Cleaning and re-energizing with earth energies 4. Cleaning and re-energizing with moon power 5. Cleaning and re-energizing with sun power 6. Cleaning and re-energizin g with alpha power Do you know? Flowing water has negative energy cleaning ability and that method has been using for ancient times such as yogis, crystal healers, people who wearing gemstones for healings. https://youtu.be/_hMrqYR_YxY Yogis mostly have been used by alpha power. People Who can't handle alpha power, They had been used other methods of cleansing crystals and gemstones. Mainly, Gemstones have 4 types of energies and healing powers ¶ Vibrational ...

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 . https://www.youtube.com/watch?v=Z46MEW9aqqk Zircon Heat-treatment part (i) video 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 taught them how do that and thats grand fathers also had learned from their old generation. This time, We used oily green zircons for oxireducing by traditional system. We had experiences with heating oily green zircons to get sky blue color. We did oxidising in atmosphere at zircon Heat-treatment part (i) . but, We need to make some mixture to cover stones before Heating to do oxireducing process. We used CaCO3 powder and rice to make traditional mixture. That covered Zircon balls ...