What is Alexandrite Stone

Alexandrite, with its captivating colour-changing abilities, is a gemstone that has captured the hearts of gem enthusiasts and collectors for centuries. This rare and remarkable mineral exhibits a magical transformation from a deep greenish-blue hue in daylight to a mesmerizing purplish-red under incandescent light. In this blog, we will delve into the world of alexandrite, exploring its unique characteristics, historical significance, mining and cutting processes, as well as its presence in popular culture. By the end of this journey, you’ll understand why alexandrite is such a special gemstone and why it’s a coveted choice for jewellery.

What is Alexandrite?

Alexandrite is a variety of the mineral chrysoberyl. What sets it apart from other gemstones is its remarkable ability to change colour depending on the lighting conditions. This phenomenon, known as pleochroism, allows alexandrite to appear green in natural daylight and red under incandescent light. This striking colour change is a result of the interplay between chromium and iron impurities within the crystal lattice.

What Makes it Special?

The most extraordinary feature of alexandrite is, undoubtedly, its dramatic colour shift. This remarkable trait makes each alexandrite gemstone unique and highly sought after among collectors. Additionally, alexandrite boasts a high level of hardness, measuring 8.5 on the Mohs scale, making it durable and suitable for various jewellery types.

Why is it a Popular Gemstone?

  1. Rarity: Alexandrite is exceptionally rare, with only a limited number of deposits worldwide, which contributes to its exclusivity and desirability.
  2. Unique Color Change: The ability to change colour from green to red makes alexandrite a conversation starter and a prized gemstone among jewellery connoisseurs.
  3. Symbolism: Alexandrite is often associated with transformation, balance, and good fortune, adding a deeper layer of meaning to its appeal.

History and Origin of Alexandrite: Where Was it First Discovered?

The first alexandrite was discovered in 1830 in the Ural Mountains of Russia, in the emerald mines of the Tokovaya River. This significant find marked the birth of alexandrite as a gemstone. Its association with Russian royalty earned it the moniker “Gemstone of the Tsars.”

How Did it Get its Name?

Alexandrite was named in honour of Alexander II of Russia, who came of age on the day of the gem’s discovery. The gem’s green and red colours also matched the national military colours of Russia.

How Has it Been Used Throughout History?

Throughout history, alexandrite has held a special place in Russian culture. It was considered a stone of good luck and often given as a gift to express love and devotion. The gemstone adorned Russian imperial jewellery, crowns, and Fabergé creations.

Properties of Alexandrite

What Gives Alexandrite its Colour Change?

The stunning colour change in alexandrite is primarily due to the presence of chromium ions in its crystal structure. In natural daylight, these ions absorb certain wavelengths of light, resulting in a greenish-blue appearance. Under incandescent light, the chromium ions react differently, creating a vivid purplish-red hue.

What are the Different Colors that Alexandrite Can Change To?

Alexandrite’s colour change typically ranges from green or bluish-green in daylight to purplish-red or reddish-brown under incandescent light. The intensity of these colours can vary, with the most highly prized stones exhibiting a strong contrast between the green and red hues.

What are the Different Types of Alexandrite?

Alexandrite can be categorized into three main types based on its origin:

  1. Russian Alexandrite: Mined in Russia’s historic Ural Mountains, these are the most prized and valuable Alexandrite gems.
  2. Brazilian Alexandrite: Found in Brazil, this type often has a softer colour change and is more readily available than Russian alexandrite.
  3. Synthetic Alexandrite: Lab-grown alexandrite exhibits the same color-changing properties as natural alexandrite but is more affordable and accessible.

Alexandrite as a Gemstone

How is Alexandrite Mined and Cut?

Mining alexandrite is a challenging endeavour due to its rarity and the remote locations of its deposits. After extraction, skilled lapidaries carefully cut and facet alexandrite to maximize its colour-changing potential while preserving its natural beauty.

What are the Different Jewelry Settings that Alexandrite is Used In?

Alexandrite stone is a versatile gemstone, and it can be incorporated into various jewellery settings. Common choices include engagement rings, earrings, pendants, and cocktail rings. The colour-changing aspect of alexandrite makes it an intriguing addition to any jewellery piece.

What are Some Tips for Caring for Alexandrite Jewelry?

To ensure the longevity and brilliance of alexandrite jewellery, it’s essential to:

  • Clean it with a mild soap and warm water.
  • Avoid exposing it to harsh chemicals and abrasive substances.
  • Store it separately to prevent scratching and damage.
  • Have it professionally inspected and cleaned periodically.

Alexandrite in Popular Culture

What are Some Famous Examples of Alexandrite Jewelry?

One of the most iconic pieces of alexandrite jewellery is the “Sisi Star” necklace, commissioned by Emperor Franz Joseph I of Austria for Empress Elisabeth of Bavaria. This exquisite necklace features a large alexandrite surrounded by diamonds.

What are Some Famous People Who Have Worn Alexandrite Jewelry?

Alexandrite’s allure has captivated many prominent figures, including celebrities and royalty. Queen Elizabeth II of England owns a stunning alexandrite tiara, showcasing her appreciation for this enchanting gemstone.

What is the Cultural Significance of Alexandrite?

Alexandrite has cultural significance in Russia, where it symbolizes imperial heritage, good fortune, and love. Its colour-changing nature is often seen as a metaphor for adaptability and transformation.


Alexandrite is a truly exceptional gemstone, celebrated for its rare colour-changing ability, rich history, and deep cultural significance. Its scarcity and captivating transformation from green to red make it a highly prized choice for jewellery enthusiasts and collectors. Whether you appreciate it for its unique properties or its storied past, alexandrite stands as a testament to the enduring allure of gemstones in our world.

Jyotish Varsha Gupta
Varsha Gupta

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