Citrine is a variety of huge gemstones family quartz whose colour ranges from a pale yellow to brown with chemical formula Silicon dioxide (SiO2). A trace amount of iron in citrine’s structure is responsible for its colour. Yellow to reddish-orange colour is rarely found naturally. Most good colour citrines in the market are heat-treated. Citrine […]
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 […]
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 […]
Quartz is one of the most common minerals on earth. Rose quartz is a pink colour variety of gemstone quartz with chemical formula silicon dioxide SiO2. The colour is usually considered due to trace amounts of titanium, iron, or manganese. Well-shaped crystals are highly prized. It is found colours in very light pink to medium-dark […]
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. […]
Malachite is a copper carbonate hydroxide mineral, with the formula Cu₂CO₃ (OH)₂. A leaf green copper carbonate malachite was used as a cosmetics and pigments by the Egyptians as far back as 3000BCE. It was used in amulets for children by the ancient Greeks and later in Italy as a talisman to ward off the […]
Purple Sapphire is the pale blue-purple to purplish-pink hued gemstone in corundum family. 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 […]
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 […]
