Scapolite-cats-eye is a chatoyant variety of scapolite family. Cats Eye effect is caused by needle- or rod-like inclusions preferentially oriented parallel to the optical axis of the scapolite crystal. Mostly, That needles contain iron and sulfur as the main elements. The sharp chatoyant of scapolite has good demand in the market. Also, Scapolite cats eye […]
Amethyst is a violet variety of quartz. It’s a birthstone of month February. The name comes from the Koine Greek ἀμέθυστος amethystos from ἀ- a-, “not” and μεθύσκω methysko / μεθύω methyo, “intoxicate”, a reference to the belief that the stone protected its owner from drunkenness. Category: Silicate mineral Formula: SiO2 Crystal system: Trigonal Colour: Purple, […]
Fluorite is the mineral form of calcium fluoride, CaF₂. It’s a cubic crystal system mineral with 4 Mohs according to the Mohs hardness scale. It belongs to the halide minerals Fluorite is found in colours such as Green, Purple, Blue, Yellow, White, Black, Pink, Red, Brown, Orange. Pink, Blue and Color change fluorites are rare. […]
Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium-oxide with trace amounts of elements such as iron, titanium, chromium, copper, or magnesium. Sapphire deposits are found in Eastern Australia, Thailand, Sri Lanka, China, Vietnam, Madagascar, Greenland, East Africa, and in North America in mostly in Montana. Madagascar, Sri Lanka, and Kashmir produce large quantities of fine quality […]
The scapolites are a group of rock-forming silicate minerals composed of aluminium, calcium, and sodium silicate with chlorine, carbonate and sulfate. Named in 1800 by José Bonifácio de Andrada e Silva from the Greek ζκαποζ meaning “a shaft” in allusion to the long prismatic habit of the crystals. Scapolites can be seen in a wide […]
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 […]
Fluorite is the mineral form of calcium fluoride, CaF₂. It’s a cubic crystal system mineral with 4 Mohs according to the Mohs hardness scale. It belongs to the halide minerals Fluorite is found in colors such as Green, Purple, Blue, Yellow, White, Black, Pink, Red, Brown, Orange. Pink, Blue and Color change fluorites are rare. […]
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 […]
