1a : a gem variety of corundum in transparent or translucent crystals of a color other than red especially : one of a transparent rich blue. b : a gem of such corundum. 2 : a deep purplish-blue color.
What makes a sapphire a sapphire?
Corundum crystals of gemstone quality in any color other than red are called sapphires, while red varieties are called rubies. These are among the most brilliant and hard gemstones; only diamonds are harder. The intense blue of the sapphire is caused by the addition of titanium and iron to the mineral corundum.
What makes a gemstone a sapphire?
Gem-quality corundum of any other hue, including colorless, is considered sapphire. Corundum is an allochromatic gemstone. … Chromium traces give corundum a red color (rubies), while a host of other trace elements give corundum a broad palette of colors (sapphires).
What makes something a sapphire?
Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α-Al2O3) with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium.
How do you tell if it’s a real sapphire?
To identify if the sapphire is real, stay in total darkness and use a flashlight to test it. If the stone is genuine, light of the same color as the sapphire is reflected. If it is a fake sapphire jewel (usually made of glass) you will be able to see other colors in the crystal.
What is the rarest sapphire color?
Insider View from the President of The Natural Sapphire Company: For padparadscha sapphires, it’s a tough situation because there are so few natural stones available. This ultra rare mix of orange and pink is without a doubt the rarest color in a sapphire.
What is the rarest gemstone?
Musgravite. Musgravite was discovered in 1967 and is arguably the rarest gemstone in the world. It was first discovered in Musgrave Ranges, Australia, and later found in Madagascar and Greenland.
Is sapphire a precious gem?
Precious stones are distinguished by their quality, their rarity and the beauty of their colours. There are only four precious stones: diamond, sapphire, ruby and emerald. All other stones are therefore called semi-precious stones.
Are sapphires rarer than diamonds?
Still today it is the most well known and in demand colored gemstone. Royalty give sapphires over diamonds as engagement rings because they are known to be far rarer than diamonds.
What is unique about sapphire?
Sapphires are among the most durable naturally occurring elements in the world. … The only natural item that can scratch a sapphire is a diamond, which has a 10 on the Mohs Scale. The durability of sapphires makes them an excellent choice for engagement rings and other jewelry you plan to wear every day.
What defines a gemstone?
gemstone, any of various minerals highly prized for beauty, durability, and rarity. A few noncrystalline materials of organic origin (e.g., pearl, red coral, and amber) also are classified as gemstones. … The prime requisite for a gem is that it must be beautiful.
Are diamonds a type of sapphire?
A sapphire is a mineral but it is not diamond even though a diamond is a mineral as well. They are both different types of minerals. Sapphires are a variety of the mineral corundum,which is an aluminum oxide. Various elements found within the sapphires cause different hues.
What is an untreated sapphire?
In very short detail, an untreated sapphire is one that has been taken from the ground and then faceted. Nothing at all was done to the stone to alter the natural beauty, which only elements and process in the earth created naturally. These sapphires are exceptionally more rare and valuable.
Will a diamond tester work on a sapphire?
A diamond tester uses the same technology to detect if a gemstone is truly real. Diamond testers not only work on diamonds and rubies but all other types of jewelry and stones. You can test stones like emeralds and sapphires as well to see whether they are real or fakes.
Can you scratch a sapphire?
Sapphires are very durable, so while they do scratch and can chip, you’ll probably get many years of wear. Eventually, you may notice some scratches, and you can always have your sapphire resurfaced. Sapphires come in a rainbow of colors and hues!