Conformity is the act of matching attitudes, beliefs, and behaviors to group norms.[1] Norms are implicit, specific rules, shared by a group of individuals, that guide their interactions with others.
Corundum is best known for its gem varieties, Ruby and Sapphire. Ruby and Sapphire are scientifically the same mineral, but just differ in color. Ruby is the red variety, and Sapphire is the variety that encompasses all other colors, although the most popular and valued color of Sapphire is blue.
To be considered a gemstone, a mineral should have a crystalline structure, should refract light, and should have a hardness of 6 or above. An opal does not have a crystalline structure. It has a hardness of 6. All other gemstones have a hardness of 7 or higher and have a crystalline structure. To be considered a gemstone, a mineral should have a crystalline structure, should refract light, and should have a hardness of 6 or above.