How to differentiate between Blue Sapphire & Blue Tanzanite?

tanzanite vs sapphire

In jewellery design, Blue Sapphire & Blue Tanzanite are two of the most stunning blue gemstones. Sapphire is the only gemstone that can withstand the wear and tear of daily life. The Mohs scale of hardness ranks tanzanite at 6.5 to 7.0, whereas sapphire is at 9.0. In order to employ tanzanite in a ring, the stone must be supported by a protective setting, whereas sapphires can stand on their own.

What is aTanzanite ?

Tanzanite is one of the world's rarest gemstones, even more so than diamonds. Known for its violet-blue tint, tanzanite was found after it was unintentionally set on fire at the foothills of Mt. Kilimanjaro in Tanzania. Originally, the gemstone was brown. Depending on the cut, tanzanite's hue can range from a vivid blue to a violet. Colourful gemstones are more valued because of their vibrant hues.

What is a Sapphire ?

"Fancy" sapphires are those that have the same chemical composition as "blue" sapphires, but they don't appear to be blue at all. They can be yellow, orange, pink, violet or any other colour in the rainbow. Fancy sapphires It is possible to find sapphires in a variety of colours ranging from grey to black to white. Colored sapphires are more common in Australia and Thailand than in Africa and Brazil. Sapphires are second only to diamonds in terms of their hardness.

Blue Sapphire & Blue Tanzanite - Rarity

You may be surprised to learn that both, Blue Sapphire & Blue Tanzanite are far more rare than diamonds, in case you were curious. It is incredibly rare to find blue sapphires of this quality in nature. However, sapphires' natural supply is far more abundant than tanzanite's.

How to differentiate between Blue Sapphire & Blue Tanzanite?

Tanzanite is 1000 times rarer than diamonds and can only be found in one area of Tanzania (near the foot of Mount Kilimanjaro). The world's supply of tanzanite is running low, and it will be depleted within the next several decades. If another tanzanite mine were ever discovered, the chances of it being discovered are approximately one million to one.

Blue Sapphire & Blue Tanzanite - Hue

Most people aren't aware that sapphires come in every colour of the rainbow, making it the most famous blue gemstone (except for red, which is known as ruby). The colour of a top-notch blue sapphire is rich and intense.

There are several shades of blue and purple that can be found in tanzanites. Compared to sapphires, tanzanite's colour can be nearly identical, making it difficult to distinguish the two gemstones. Tanzanite is a pleochroic gemstone, which means that depending on the angle from which it is viewed, it can show different hues, the most frequent of which are blue and violet. Tanzanite's best and most valued colour is a deep blue.

Blue Sapphire & Blue Tanzanite - Hardness

This is the domain of sapphire. After diamonds and moissanite, sapphire is the third-most durable gemstone in jewellery, according to the Mohs scale. You may wear it every day without worrying about it getting damaged or scratched. Using sapphires in engagement rings has a lot to do with this appeal.

How to differentiate between Blue Sapphire & Blue Tanzanite?

However, tanzanite is a far more delicate gem, with a Mohs hardness rating of only 6 to 6.5, making it much softer than quartz (a main ingredient in dust). Tanzanite has poor toughness and cleavage, which means it can break if struck. Tanzanite is easily scratched and damaged. Tanzanite should not be used in engagement rings unless it is properly secured and cared for.

Blue Sapphire & Blue Tanzanite - Value

Tanzanite is more expensive, but blue sapphire is more sought after. If all else is equal, sapphire is more expensive than tanzanite, regardless of the other factors. Colored gemstones are also seen as a smart investment, as demand for coloured gemstones drives up their value. Synthetic sapphires are available, however they are not as costly or coveted as natural sapphires.

Natural tanzanite is the only tanzanite available on the market because the stone has not yet been synthesised. If you want the sapphire look without the expensive expense, tanzanite is an excellent choice. Rare and valuable, it's been dubbed "the gemstone investment opportunity of our generation" and makes a great addition to any collection. The price of tanzanite is expected to climb after the mines are depleted, so stocking up while you can is a wise idea.

Blue Sapphire & Blue Tanzanite - Status

For centuries, sapphire has had a regal link, and it has been worn by royalty and clergy alike. The most renowned engagement ring in the world is Princess Diana's blue sapphire ring, which is presently worn by Kate Middleton. It is one of the most well-known blue gemstones and one of the priciest.


Because it is a relatively new addition to the gemstone world, tanzanite just cannot compete. However, it has the distinction of being the most beautiful stone found in the last two thousand years! This gemstone is becoming more well-known in the jewellery industry as one to get now while supplies last.

Blue Sapphire & Blue Tanzanite, both have their individual charms. It is important to determine the purpose of your purchase before choosing your gemstone. The best material for durability is sapphire. Sapphires are also recognized, valued, and in greater demand.