Ceylon Natural Spinel with amazing blue colour - Danu Group Blue Spinel Collection

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Natural Green Sapphire
Natural Green Sapphire
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace…

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Natural Green Sapphire
Natural Green Sapphire
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Sapphire of all colors have become especially popular for engagement rings since sapphire is durable enough to…

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Natural Green Sapphire
Natural Green Sapphire
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Sapphire of all colors have become especially popular for engagement rings since sapphire is durable enough to…

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Natural Green Sapphire
Natural Green Sapphire
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Sapphire of all colors has become especially popular for engagement rings since sapphire is durable enough to…

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Natural Green Sapphire
Natural Green Sapphire
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace…

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Natural Green Sapphire
Natural Green Sapphire
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In Vedic astrology, Green Sapphire represents planet Mercury and is worn to bring calmness and positivity, improve…

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Natural Green Sapphire  Colour : Green Shape : Octagon Weight : 1.52 CTS Dimension : 6.8 x 6.0 x 3.7 mm Treatment : Unheated Clarity : VS • CSL - Colored Stone Laboratory Certified ( GIA Alumina Association Member ) • CSL Memo No : C25A834CB509 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 quality Sapphires for the world market. Sapphires are mined from alluvial deposits or from primary underground workings. Blue Sapphire and Ruby are the most popular Gemstone in Corundum Family. also, Orangy Pink Sapphire is called Padparadscha. The name Drive's from the Sinhalese word "padmaraga" " පද්මරාග", meaning lotus blossom, as the stone is of a similar color to the lotus blossom. Bi-Color Sapphire from DanuGroup Collection Also, Sapphire can be found as parti-color, bi-color or fancy color. Australia is a main parti-color Sapphire producer. White Sapphire also, White sapphire is a very popular stone to wear instead of Diamond as a 3rd hardness gemstone after diamond ( moissanite hardness is 9.5). Various colors of star sapphires A star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism. Also, A rare variety of natural sapphire, known as color-change sapphire, exhibits different colors in a different light. Sapphires can be treated by several methods to enhance and improve their clarity and color. A common method is done by heating the sapphires in furnaces to temperatures between 500 and 1,850 °C for several hours, or by heating in a nitrogen-deficient atmosphere oven for 1 week or more. Geuda is a form of the mineral corundum. Geuda is found primarily in Sri Lanka. It's a semitransparent and milky appearance due to rutile inclusions. Geuda is used to improve its color by heat treatment. Some geuda varieties turn to a blue color after heat treatments and some turn to red after oxidizing. Also, Kowangu pushparaga turns to yellow sapphire after oxidizing. Sapphire Crystal system is a Trigonal crystal system with a hexagonal scalenohedral crystal class. Sapphire hardness is 9 according to the Mohs hardness scale with 4.0~4.1 specific gravity. Refractive index ω          =1.768–1.772 nε =1.760–1.763 Solubility = Insoluble Melting point = 2,030–2,050 °C Birefringence  = 0.008 Pleochroism = Strong Luster = Vitreous Sapphire is the birthstone for September and the gem of the 45th anniversary. Healing Properties of Sapphire Sapphire releases mental tension, depression, unwanted thoughts, and spiritual confusion.  Sapphire is known as a "stone of Wisdom". It is exceptional for calming and focusing the mind, allowing the release of mental tension and unwanted thoughts. Sapphire is also the best stone for awakening chakras. Dark Blue or Indigo Sapphire stimulates the Third Eye chakra. Blue Sapphire stimulates the Throat Chakra. Green sapphire stimulates Heart Chakra. Black Sapphire stimulates Base Chakra. White sapphire stimulates Crown Chakra. Yellow sapphire stimulates Solar Plexus Chakra. In Vedic astrology, Green Sapphire represents planet Mercury and is worn to bring calmness and positivity, improve concentration, self-confidence, and overall mental health. It is also recommended as an effective healing stone for varied healing therapies. Green Sapphire opens the heart to compassion. It helps in understanding others’ needs and encourages respect for differences. It stimulates the Heart Chakra located near the center of the breastbone.
Natural Green Sapphire
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace…

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Natural Blue Sapphire
Natural Blue Sapphire
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Blue Sapphire can free one of mental anxiety, helps make one detached, and protects against envy. Also,…

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Natural Blue Sapphire Vivid Blue "Royal Blue"
Natural Blue Sapphire Vivid Blue "Royal Blue"
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace…

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Natural Blue Sapphire Vivid Blue "Royal Blue"
Natural Blue Sapphire Vivid Blue "Royal Blue"
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 Blue Sapphire can free one of mental anxiety, helps make one detached, and protects against envy. Also,…

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Natural Blue Sapphire
Natural Blue Sapphire
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Blue Sapphire can free one of mental anxiety, helps make one detached, and protects against envy. Also,…

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Natural Blue Sapphire Vivid Blue "Royal Blue"
Natural Blue Sapphire Vivid Blue "Royal Blue"
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace…

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Natural Blue Sapphire Vivid Blue "Royal Blue"
Natural Blue Sapphire Vivid Blue "Royal Blue"
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace…

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Natural Blue Sapphire
Natural Blue Sapphire
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminum oxide with trace…

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Natural Blue Sapphire Vivid Blue "Royal Blue"
Natural Blue Sapphire Vivid Blue "Royal Blue"
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Blue Sapphire can free one of mental anxiety, helps make one detached, and protects against envy. Also,…

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Natural Blue Sapphire Vivid Blue "Royal Blue"
Natural Blue Sapphire Vivid Blue "Royal Blue"
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace…

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Natural Blue Sapphire "Cornflower Blue"
Natural Blue Sapphire "Cornflower Blue"
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace…

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Natural Blue Sapphire Vivid Blue "Royal Blue"
Natural Blue Sapphire Vivid Blue "Royal Blue"
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  Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with…

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Ceylon Natural White Sapphire
Ceylon Natural White Sapphire
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White Sapphire is using instead of Diamond Because Sapphire is second hardest gemstone in Mohs hardness scale…

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Ceylon Natural Pink Sapphire
Ceylon Natural Pink Sapphire
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It is believed that pink sapphires used for therapeutic purposes as crystals might nourish the emotional well-being…

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