Ruby

Ruby is a pink to red gemstone consisting mainly of the mineral corundum (Al2O3) with an admixture of chromium causing the color. The hardness on the Mohs scale is 9. The largest deposits of rubies include Africa, Asia (Burma), Australia, Greenland, Madagascar. The oldest deposits of rubies are the alluvial deposits of the rivers of southwestern Sri Lanka (Kaliganga River) with the old center of Ratnapura. Rubies are sought-after magical and jewelry minerals. Their color is orange-red, raspberry, light red, deep red, blood-red - also known as "pigeon blood" - rubies colored in this way are the rarest! Ruby is one of the most valuable gemstones, whose value can sometimes even be higher than the price of diamonds of approximately the same size.

Ruby - the king of gems

Ruby is one of the rarest and most admired gemstones in the world. It is a red variety of the mineral corundum (Al₂O₃), whose color is caused by the presence of chromium (Cr³⁺). This gives the ruby ​​its characteristic deep red to purple-red color, which makes it a stone of passion, strength and rarity.

The highest quality rubies come from Burma (Myanmar), Thailand, Sri Lanka, Mozambique and Tanzania. "Pigeon Blood Ruby" - a deep red ruby ​​with a slight fluorescent effect - is one of the most valuable stones ever.

Thanks to its high hardness of 9 Mohs, ruby ​​is great for use in jewelry, but it is also one of the investment gems whose value on the world market has been growing for a long time.

Main advantages:

natural gemstone – red variety of corundum

origin: significant deposits (Myanmar, Sri Lanka, Thailand, Mozambique)

color: red to purple-red

hardness: 9 Mohs – extreme durability

use: luxury jewelry, investment, collecting

Mineralogical data:

chemical composition: Al₂O₃ (with an admixture of Cr³⁺)

group: corundum

crystal system: trigonal

hardness: 9 Mohs

refractive index: 1.762–1.770

density: 3.97–4.05 g/cm³

Ruby is a symbol of passion, power and luxury. In its natural and high-quality form, it is one of the most sought-after gemstones in the world.

What is a ruby?

Ruby is a red variety of corundum (Al₂O₃) colored by chromium.

Where do the best rubies come from?
From Myanmar (Burma) - the Mogok region is famous for the highest quality "pigeon blood" rubies. Other important deposits are in Thailand, Sri Lanka and Africa.

What is the hardness of a ruby?
Ruby has a hardness of 9 Mohs, which makes it one of the most durable gemstones in the world (right after diamond).

Does ruby ​​have investment potential?
Yes, top-quality natural rubies are among the most sought-after investment gemstones.

Why is ruby ​​valued?
For its color, rarity, hardness and historical significance - it was considered the "king of gems".