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Mohs
9
System
Trigonal
Chakra
Root
Zodiac
Leo
Sun
Sanskrit: Manikya
Planet: Sun (Surya)
Metal: Gold
Finger: Ring finger
Day: Sunday
Ruby has been revered across cultures as the stone of kings and the gem of the Sun. Its fiery red hue symbolizes passion, courage, and life force. In Vedic astrology, Ruby (Manikya) represents Surya and is believed to bestow leadership, authority, and robust health upon the wearer.
Natural rubies of fine quality are among the rarest gemstones on Earth, often exceeding diamonds in value per carat. The finest specimens come from Myanmar (Burma), where the "pigeon blood" red is the most coveted color.
| Mohs Hardness | 9 |
| Crystal System | Trigonal |
| Chemical Formula | Al₂O₃ |
| Specific Gravity | 3.97-4.05 |
| Refractive Index | 1.762-1.770 |
| Luster | Vitreous to adamantine |
| Transparency | Transparent to translucent |
| Cleavage | None |
| Origin Countries | Myanmar, Sri Lanka, Thailand, Madagascar, Mozambique |
Supports circulation, heart health, and vitality. Traditionally used to stimulate the adrenals and kidneys.
Ignites passion and courage, dispels lethargy and depression, strengthens motivation.
Activates life force energy, enhances leadership and authority, connects to solar consciousness.
Ruby, derived from the Latin 'ruber' meaning red, has captivated humanity for over 2,000 years. Ancient Sanskrit texts called it 'ratnaraj,' the king of precious stones, while Hindu mythology described rubies as self-luminous gems that could boil water and melt wax. The ancient Greeks and Romans associated ruby with Mars, the god of war, believing it granted invincibility in battle. Medieval Europeans thought rubies could predict misfortune by darkening in color, and royalty treasured them as symbols of divine favor.
Burma's Mogok Valley, known as the 'Valley of Rubies,' has produced the world's finest specimens for centuries. The legendary 'Black Prince's Ruby' in the British Crown Jewels, actually a red spinel, demonstrates the historical confusion between red gems. Marco Polo wrote of Ceylonese rubies in the 13th century, and the discovery of significant deposits in Thailand, Madagascar, and Mozambique has only added to ruby's mystique. The stone's association with passion, power, and protection spans cultures from ancient Egypt to medieval Europe to modern gemology.
Ruby's exceptional hardness of 9 on the Mohs scale makes it one of the most durable gemstones, second only to diamond. Clean rubies with warm soapy water and a soft brush, avoiding ultrasonic cleaners if the stone has inclusions or fracture-filled treatments. Store rubies separately from softer gems to prevent scratching, though they can be stored with diamonds and sapphires. While heat-resistant, avoid extreme temperature changes that could cause thermal shock. Ruby can handle most household chemicals, but avoid prolonged exposure to acids. Natural rubies may be heat-treated to enhance color and clarity, which is stable and permanent. Check settings regularly, as ruby's hardness can loosen prongs over time through normal wear.
Ruby resonates powerfully with fire signs Leo, Aries, and Sagittarius, amplifying their natural confidence and leadership abilities. Those born in July benefit from ruby as their traditional birthstone, while individuals seeking to enhance courage, passion, and vitality find ruby particularly supportive. Leaders, entrepreneurs, and public speakers often gravitate toward ruby for its association with personal power and charisma. People working through heart chakra healing or those needing grounding through the root chakra may benefit from ruby's dual energy centers. Anyone facing challenges requiring inner strength, romantic endeavors, or abundance manifestation might consider ruby, though its intense energy works best for those ready to embrace bold transformation and dynamic action in their lives.
Ruby and sapphire are the same mineral (corundum) - only the red variety is called ruby, while all other colors are sapphires
The finest rubies can be more valuable per carat than diamonds, with top Burmese rubies commanding over $1 million per carat
Ruby's red color comes from trace amounts of chromium, the same element that makes emeralds green
The world's largest cut ruby weighs 125.19 carats and is displayed at the Smithsonian Institution
Synthetic rubies were first created in 1902 and are used in lasers, watches, and scientific instruments
Star rubies display asterism - a six-rayed star effect caused by needle-like rutile inclusions
Avoid combining with:
Ruby is the modern birthstone for july.
A vibrant stone of motivation, creativity, and courageous action.
A stone of passionate devotion, vitality, and energizing power.
A powerful Mars stone, Red Coral boosts courage, physical strength, and willpower.
A rare gem often mistaken for ruby, Spinel revitalizes energy and inspires new approaches.