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limz Published On Wed Jan 15 2020   Modified On Wed Jan 15 2020

Ruby is one of the four precious gemstone including - Diamond, Sapphire, and Emeralds. It is the official birthstone of July and also the zodiac stone of Cancer. Traditionally, these stones are given as a gift for the 40th wedding anniversary. 

Ruby is a highly valuable and important stones in the market. These beautiful stones that catch the eye of every people are remarkably durable.

Let us learn more about Ruby gemstone.


Ruby is a pink to blood-red colored precious gemstones and a variety of mineral corundum. Throughout history, people knew it as a stone of divine creativity because it helps to promote self-esteem and spiritual wisdom. In the Hindu religion, Ruby is known as the king of precious gemstones.

Why is Ruby on the Birthstone of July?

Beautiful Diamond Cut Ruby.
Beautiful Diamond Cut Ruby.
Image Source: Wonderopolis

July babies have a high sense of humor and they are always full of life. They will always lend their helping hands to the ones in need. Just like Rubies, their charms never go without any attention which makes these stones perfect to be the birthstone of July.

Origin and History

It is believed that the Ruby mines of Mogok, Burma is the place where these stones were first mined. As it is older than history, the exact date is still unknown. The name of this stone was originated from the Latin word "ruber", which means red. 

In the first century (AD 1 to AD 100), Pliny the Elder, a Roman author described the hardness and density of Ruby in his book called "Natural History". These stones were known as "Ratnataj" in ancient India which means "king of precious stones".

Formation Process

Rubies are made up of the mineral corundum (an extremely hard mineral) or aluminum oxide. Just like other gemstones, it is formed deep within the Earth's crust under the condition of extreme heat and pressure. The pure corundum is colorless but when the aluminum atoms are replaced by other substances, the stone can get its color. This process helps to form Rubies and get its deep red color.


The chemical formula of Ruby is Al2 O3 (Aluminium Oxide). It has a hardness of 9 on the Mohs scale and an adamantine to vitreous luster.


There are 6 types of Rubies based on their origin. Its types are listed below:

  • Burmese Ruby
  • African Ruby
  • Thai Ruby
  • Tanzania Ruby
  • Madagascar Ruby
  • Afghanistan Ruby

Colors Available

The colors of Ruby ranges from Near-colorless through pink through all shades of red to a deep crimson.

Mines Available

Some of the famous mines of Ruby are listed below:

  • The Montepuez ruby mine, Mozambique
  • The Ruby Mines of Mogok, Myanmar
  • Longido Ruby Mines, Tanzania

Cost Per Carat

The World's Most Expensive Ruby, Sunrise Ruby.
The World's Most Expensive Ruby, Sunrise Ruby.
Image Source:

The cost of Ruby depends upon its cut, clarity, and color. The good color Rubies can be sold for $10000-$18000 per carats. The world's most expensive Ruby is Sunrise Ruby that was sold for $30.3 million at Sotheby's and it weighs 25.59-carats.


People use Rubies in many different ways and some of them are listed below:

  • It is used in laser machines like tattoo removal.
  • It is mostly used as gems in jewelry like ring, necklace, bracelet, and earrings.

Spiritual Properties

Ruby is a powerful vibrating stone and bright aura that is highly spiritual. The Spiritual Properties of Ruby are:

  • As it is related to the heart chakra, these stones will help to promote unconditional love, balance, serenity, and protect against negative energies.
  • It helps to detoxify the body and blood, treat heart diseases, and protects against psychic attacks.


Magnificent Pigeon's Blood Ruby.
Magnificent Pigeon's Blood Ruby.
Image Source: The Saffronart Blog

Some of the fun and interesting facts of Ruby are given below:

  • Prices of Rubies without imperfections can be higher than Diamonds but they are exceptionally rare.
  • Among all the Rubies, Pigeon's Blood Rubies are the most desirable.
  • Myanmar supplies almost 90% of the world's Rubies.
  • Ruby is an extremely hard and durable gemstone which is rated 9 on the Mohs scale of hardness.

Jewelry Stores Near You

Some of the famous jewelry stores are listed below:

  • Tiffany & co., New York, United States
  • Zale Corporation, Texas United States
  • Bonds Jewelers, Northampton, England
  • Maison Birks, Westmount, Quebec, Canada
  • People Jewelers, Ontario, Canada

Online Stores

Here is the list of some of the famous online jewelry stores:

Visit Stoneharu for more information about stones and gems.