Blue Sapphire Stone Hardness

Sapphire is a precious gemstone a variety of the mineral corundum consisting of aluminum oxide α al 2 o 3 with trace amounts of elements such as iron titanium chromium vanadium or magnesium it is typically blue but natural fancy sapphires also occur in yellow purple orange and green colors.

Blue sapphire stone hardness.

Sapphire is an extremely famous and beautiful blue gemstone. See how sapphires are rated in hardness toughness and durability on the mohs scale the gemstone and mineral guide to hardness. Gems of equal hardness can t scratch each other so if both are real sapphires then nothing will happen. The mohs hardness scale and chart for select gems home learning center gemology reference charts materials the mohs hardness scale and chart for select gems igs may receive customer referral fees from the companies listed in this page.

It is liked by everyone because of its eye catching blue color hardness strength and luster. Optic character of blue sapphire is anisotropic. Some stones exhibit the phenomenon known as color change most often going from blue in daylight or fluorescent lighting to purple under incandescent light. Refractive index ri lie between 1 760 1 778.

The mohs hardness scale starts with talc at 1 being. Parti sapphires show two or more colors. Mohs hardness scale for gemstones 9th sep 2020. Besides blue sapphire and ruby the corundum family also includes so called fancy sapphires they come in violet green yellow orange pink purple and intermediate hues.

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. Blue sapphire hardness is 9 on moh s scale of hardness. Top 10 best types of stones for rings 13th sep 2020. Rubies emeralds diamonds oh my there are so many types.

If the real sapphire leaves a scratch on the second sapphire then the second one is not real or is at least of lower quality. Birefringence is 0 007 0 010. If you have two sapphires and you know for sure one is real use it to scratch the second one. The sapphire is a beloved gemstone that has been cherished.

What makes sapphires blue.