Aquamarine Hardness Vs Diamond. These factors make the stone durable easy to care for and a great addition to your jewelry collection. 75 - 80 Mohs.
Aquamarine is 75 to 8 on the Mohs scale so it is a durable gemstone for jewelry as long as it is treated with care to protect it against scratching and hard knocks. Aquamarine is composed of the mineral beryl and scores a 1577-1583 on the refractive scale and a 75-80 on the Mohs hardness scale. Hardness Durability.
Amethysts being a type of quartz themselves have the same hardness as the quartz in dust.
That said aquamarine is a highly durable gemstone yet susceptible to cracking if handled roughly. While talc sits at 1 nursing a glass jaw actually it should be a talc jaw because glass also known as silicon dioxide or quartz is considerably harder than talc and sits at number 7 on the Mohs scale. Aquamarine is generally much more expensive than blue topaz with the main reason being that blue topaz is artificially heated whereas aquamarine is natural in color. While two minerals of the same hardness can scratch each other they can only do so with difficulty.
