Ruby July Birthstone 07

Compositions

Color: Deep red
Hardness: 9 (Mohs)
Specific Gravity: 3.97 - 4.05
Refractive Index: 1.766 - 1.774
Chemical Composition: AI2O3

Mineral Information: Aluminum oxide, Corundum group


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Healing Power

Ruby is very beautiful to looks at, has a distinctive spark and it shines is worthy for a king.Theking in the past always put a ruby gems on their crown to show their wealth and power. Besides that, it is also used as a need to marry a princess to symbolize love and lust.


History

Ruby gets its name from the Latin word for red, ruber. It is one of the four precious stones along with diamond, sapphire and emerald. Ruby is the third hardest gemstone--with a Mohs rating of 9--after diamond and moissanite. For centuries, rubies have been mined, collected, traded, treasured and used in fashion, such as the breastplate of high priests and to adorn weapons. Ruby is known as the gemstone of nobles. "Blood red" rubies are considered the most valuable. In some ancient cultures, ruby gemstones were used to cast lots to predict the future. Famous rubies include a ruby and diamond ring by Van Cleef and Arpels from Elizabeth Taylor's collection that set a record for price per carat: $4.2 million/8.24 carats.