About Ruby (100%Natural Manik)

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Facts About Pure Ruby You Should Know

The name ruby comes from the Latin word ‘ruber’ which means red. In Sanskrit ruby is called “Ratnaraj” king of gems. Many Europeans wore rubies to guarantee health wealth wisdom and success in love.

Ruby is found in pinkish, purplish or orangy red color tones. The best ruby color is a deep, pure, vivid red.

CAUTION
Artificial Enhancement like using  LEAD(highly Toxic) GLASS FILLING RUBIES ARE HARMFUL to THE BODY.

93% of the rubies today in the market are usually not natural. There are various treatments done to the stone to enhance its apparent color and clarity.

Chemical composition
Ruby is made of Aluminum Oxide and Chromium.

Species: Corundum

Refractive Index   :   1.762-1.770 (+0.009/-0.005)

Specific gravity:   4.00 (+ 0.10 /-0.05)

Melting point: 2050 C (Approx)

Best source
Burma (now called Myanmar) is credited for producing the finest quality rubies since at least 600 AD. Other sources:

  • Sri Lanka,
  • Afghanistan,
  • Kenya,
  • Madagascar,
  • Thailand(mining depreciated in the early nineties but it is worlds center for treatment of stones today)

Treatments
Heat Treatment Heating to a very high temperature for the purpose of changing its appearance.

Surface diffusion Heating at a very temperature in presence of coloring agents for allowing chemicals to penetrate in the stone.

Fracture filling Stones are filled with epoxy resin or glass OR lead glass to conceal the fractures.

Any treatment done on the stones damages the internal structure of the gemstones.

Hardness & Toughness
Hardness(resistance to scratching) 9 on the Mohs scale.

Toughness (resistance to breaking and chipping) Usually excellent but large fractures can lessen the durability

Stability (Resistance to Heat and Chemicals)
Heat: Heat can cause the change in color or clarity, it can also damage fracture filling

Light: Fracture filling may dry out or alter under intense light

Chemicals: Can harm the fillings in fracture filled stones

Synthetics
Ruby synthetics are readily available in the market.

Ruby is made from flame fusion, flux, hydrothermal, floating zone many processes in the market

THE ONLY WAY TO SEPARATE NATURAL RUBY FROM LAB GROWN RUBY IS THROUGH INCLUSION(MAGNIFICATION)

Care and cleaning
Ultrasonic cleaning: Usually safe, but not for fracture-filled stones.

Steam cleaning: Usually safe, but not for fracture-filled stones.

Warm soapy water: Safe, but strong detergents should be avoided.

 

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