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, […]
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 […]
Ruby is a pink to the blood-red colored gemstone, a variety of the mineral corundum. The word ruby comes from ruber, Latin for red. The color of a ruby is due to the element chromium. It is known as the most magnificent gem of all gems. Sapphire is a precious gemstone, a variety of the […]
The Gemstone Chrysoberyl is an aluminate of beryllium with the chemical formula BeAl₂O₄. The name chrysoberyl is derived from the Greek words “chrysos” and “beryllos”. Its meaning is “a gold-white spar”. It is known as a hard and durable gem after Sapphire. Chrysoberyl is an orthorhombic crystal mineral with 3.5 – 3.84 specific gravity and 8.5 hardness according to the Mohs hardness scale. It is a Biaxial (+) mineral with refractive indexes nα=1.745 nβ=1.748 nγ=1.754. Chrysoberyl can be found […]
Morganite is the peachy-pink variety of beryl with chemical formula Be3Al2(Si6O18). Named after American banker John. Pierpoint Morgan in 1911. It can be found colors such as pink, rose, peach, and salmon and pinkish Purple. Morganite’s colors are a result of the presence of manganese. It is also known as”Rose Beryl“. Good quality morganite is relatively […]
Aquamarine is a sky-blue to sea-green gem variety of beryl. It is mainly associated with granitic pegmatites. The name Aquamarine comes from the Latin aqua Marinus, meaning “water of the sea,” and refers to its sparkling ocean-like color. Its bluish-green color is caused by iron oxides within the chemical makeup of the stone. The first […]
Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminum 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, […]
Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminum 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 […]
