Blue Sapphire Vs Amethyst Gemstone

The alluring purple color amethyst stone is stated to be  the best alternative of precious blue sapphire stone. It is claimed that wearing amethyst stone noticeably compensate for blue sapphire and helps in deriving the identical astrological benefits promised by sapphire stone. Therefore, people who are eager to wear blue sapphire to enjoy its remarkable magical attributes in their lives, but due to the high cost of the stone could not afford it can opt for amethyst stone. Comparing to the blue sapphire, the cost of attaining an amethyst stone is quite reasonable and it does not put much financial burden on a buyer. Moreover, it also endows the equivalent benefits to sapphire. Therefore, astrologers often suggest you to don this stone in case you are incompetent to obtain expensive blue sapphire stone.

 

Since, amethyst is advised being a suitable alternative of blue sapphire often people misinterpret this statement and assume that blue sapphire and amethyst are same stone and there is no difference between these stones which is completely wrong. To understand the difference between sapphire and amethyst, please go through the following differences outlined below:

 

Blue sapphire gemstone belongs to the category of precious stones, whereas; amethyst represents the semi precious family. On the basis of the above declaration, it is hard to put blue sapphire and amethyst stone under the same class. Those who does not understand the difference of precious and semi precious stone should read the next paragraph:

 

Precious Gemstone: A stone is identified being a precious stone if it contains exceptional physical attributes such as  hardness, refractive index, color, cut and origin. A stone which contains all these properties in abundance is meant to be referred as precious stones.

 

Semi-precious stones: A stone which contains all the above-mentioned properties, but in fewer quantity as compared to the precious stone is bound to be fall under semi-precious stones.

On the scale of hardness  sapphire leaves amethyst behind by whooping numbers. Sapphire ranks 9.0 out of 10 at mohs scale which is the second highest number after diamond. On the other hand. Amethyst hardly touches the mark of 7.0 at mohs scale.

 

Blue sapphire stone relates to to the mineral family corundum whereas, amethyst relates to the mineral family quartz.  The chemical structure of both the stones are quite distinct. Blue sapphire is composed of aluminium oxide and amethyst is composed quartz which is constituted of vanadium and silicon oxide.

 

Sapphire has refractive index  of 1.762 to 1.768 whereas, amethyst has refractive index of 1.544 to 1.533 which is hugely less than the blue sapphire.

 

On the front of rarity, sapphire is hard to obtain due to its high cost and low availability. On the other hand, amethyst stone is quite easy affordable and available in abundant quantity.