Blue Sapphire Hardness Scale

They can withstand scratching and score 9 out of 10 in the mohs scale of hardness.

Blue sapphire hardness scale.

The more vivid colors without being. Birefringence is 0 007 0 010. In an overview of this concept of hardness discover our guide to the mohs scale. Sapphire scores a solid 9 out of 10 on the mohs mineral hardness scale just below diamond making it even more scratch resistant than mineral glass.

Blue sapphire has inclusions like included crystals zircon halos rutile needles rutile silk etc. The most important number on this scale of 7. This is evidence of the hardness of sapphire and a testament to its place at number 9 on the mohs hardness scale. Sapphires are the crystalized form of the mineral corundum.

This hardness means that sapphires can be used for any type of jewelry and can be worn everyday without any worries about chipping scratching or cracking. Fancy sapphires are associated with royalty. Because it s very durable they are an excellent choice for engagement rings and other jewelry pieces that you plan on wearing on a daily basis. Sapphires can come as cheap as 25 per carat to over 11 000 per carat.

Optic character of blue sapphire is anisotropic. Learn why sapphires are an ideal gemstone for jewelry because of their hardness and durability in withstanding every day wear and tear with information on current trends. The history of its creation by a mineralogist and geologist how it was so useful for early miners and an illustrated chart that shows the breakdown for easy reference. 9 0 on the mohs scale.

Sapphire has a hardness of 9 on the mohs hardness scale whereas diamond the hardest natural material known to man has a hardness of 10. Blue sapphire hardness is 9 on moh s scale of hardness. Myanmar burma thailand india sri lanka ceylon tanzania. The only thing that can scratch a blue sapphire is a diamond.

Refractive index ri lie between 1 760 1 778. Corundum left a scratch on the surface of apatite and so this mineral should sit higher on the scale. Although found in a variety of colors blue sapphire is the color most people think of when sapphire is mentioned. Very light to very dark almost inky shades of blue are found.

Fro example corundum sapphire and ruby was used to scratch apatite. All gemstones have differing levels of hardness. Sapphire has a rating of 9 on mohs hardness scale along with its sister gem ruby. 7 is the hardness of quartz which is the hardest mineral that is commonly air born.

Sapphires are very durable and ideal to worn everyday.