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 […]
Natural Kornerupine facet grade huge gem piece found from Sri Lankan Rare Gemstone mining area. It can be seen yellowish chrom green and greenish yellow Pleochroism as a directional properties. Kornerupine is a rare boro-silicate mineral with the formula (Mg, Fe²⁺)₄(Al, Fe³⁺)₆(SiO₄, BO₄)₅(O, OH)₂. It has a specific gravity of 3.3 to 3.34 and Colours such as […]
Natural Bi-Color Spinel Crystal Sri Lanka Ceylon Natural Bi-Color Spinel Crystal from Alluvial Gem Deposit. It was bit deep color but, Inside Color is really nice. It is 5.05 Cts weight transported octahedron crystal from Rakwana, Sri Lanka. Spinel is the magnesium-aluminum member of the larger spinel group of minerals with chemical formula MgAl₂O₄. Spinel is […]
Sulfur is a chemical element with an atomic number of 16 and an atomic symbol of S. At room temperature, it is a yellow crystalline solid. Even though it is insoluble in water, it is one of the most versatile elements of forming compounds. Jupiter’s moon has over 400 active volcanoes that emit enormous amounts […]
Blue Sapphire is a color variety of mineral corundum. The intense blue of the sapphire is caused by the addition of titanium and iron to the mineral corundum. Blue Sapphire color can be described in terms of hue, saturation, and tone. It is evaluated based upon the purity of their blue hues, clarity and size. Sapphire is a precious gemstone, a variety of the mineral corundum, […]
Goshenite is a colorless variety of mineral beryl. This is 9.60 Cts Goshenite from Sri Lanka. When we check the stone by Microscope, We could see special Inclusion called “Three-phase Inclusion”. It has one colorless gas bubble and tiny black crystal in rectangular inclusion. Beryl is a mineral composed of beryllium aluminum cyclosilicate with the […]
Chrysoberyl cat’s eye is a gemstone variety of beryllium aluminum oxide which exhibits optical effect known as ‘chatoyancy’ that contains large numbers of fibrous inclusions can produce a ” Chatoyant ” a line of light across the surface of the stone that orients perpendicular to the included fibers. that resembles the slit eye of a […]
