There are millions of takers of rubies in this world. People love these deep-red companions for the warmth and luxury that they exude. No wonder why natural rubies command extreme prices and outpace other gemstones from the race of exclusivity and expensiveness.
The July birthstone, the natural ruby stone, is a variety of mineral corundum. The gorgeous red color that this gemstone carries comes because of the presence of traces of the element chromium.
Such is the magnificence of this element that the higher the chromium content, the stronger the color red in the gemstone.
As these marble-formed rubies lack iron and have a greater concentration of chromium, they may even fluoresce red when seen under ultraviolet light, which may further intensify the color of these stones.
There are various color tones in which ruby gemstone is available. From orangey red to purplish red, you can find different hues to suit your taste. But, it is believed that the finest rubies carry a pure, vibrant red hue to a bit of purplish red.
Associated with love, passion, and royalty, a ruby stone is a thing of beauty. Its rarity makes the stone even more special for gem lovers. Now, let’s take a look at some sources of rubies.
In this comprehensive exploration, we will delve into the complicated journey of ruby gemstones, unraveling their sources step by step.
1. Geological Formation
Rubies are a type of corundum composed of aluminum oxide crystals with the presence of chromium, which imparts a vibrant red color. The geological journey begins with the formation of corundum crystals under high pressure and temperature conditions. The presence of chromium during this process is crucial for the development of the distinctive red hue.
2. Primary Deposits
Primary deposits are the initial geological formations where rubies are created. These deposits are typically found in metamorphic rocks, such as marble and schist, as well as in igneous rocks like basalt. One of the primary sources of rubies is the Mogok Valley in Myanmar (formerly Burma), renowned for producing some of the world’s finest rubies.
3. Mogok Valley, Myanmar
Myanmar has been a historical epicenter for ruby mining, particularly in the Mogok Valley. The region’s geological conditions and the presence of specific minerals create an ideal environment for the formation of high-quality rubies. The mines in Mogok have been operational for centuries, and the region is often referred to as the “Valley of Rubies.”
4. Secondary deposits
Over time, geological processes such as weathering and erosion lead to the transportation of rubies from their primary deposits to secondary deposits. Rivers and other natural forces carry the gemstones away from their original source, resulting in alluvial deposits. Secondary deposits are where rubies are often discovered by gemstone miners.
5. Alluvial Deposits
Alluvial deposits, formed by the accumulation of eroded material, become rich repositories of rubies. In regions like Thailand, Cambodia, and Vietnam, alluvial deposits have been significant sources of rubies. The gemstones are unearthed from riverbeds and gravel deposits, where they have been transported and concentrated over time.
6. Other Notable Sources
While Myanmar holds a prominent position in the ruby industry, several other regions contribute to the global supply. Some notable sources include Thailand’s Chanthaburi and Trat provinces, Cambodia’s Pailin region, and Vietnam’s Luc Yen district. Each location adds its unique characteristics to the rubies they produce.
7. Africa’s Impact
In recent years, Africa has emerged as a substantial contributor to the global ruby market. Countries like Mozambique and Madagascar are gaining recognition for their high-quality rubies. The Montepuez Ruby Mine in Mozambique, in particular, has become one of the world’s leading sources, producing rubies with intense color and clarity.
8. Mining Methods
The extraction of rubies involves various mining methods, ranging from traditional techniques to modern, mechanized approaches. Artisanal miners may use manual methods like panning and digging, while larger mining operations utilize machinery for efficient extraction.
9. Challenges and Ethical Considerations
Despite the allure of rubies, the industry faces challenges related to ethical sourcing and environmental impact. Some ruby mines have been associated with issues such as child labor and environmental degradation. Ethical considerations are increasingly becoming a focal point, with initiatives promoting responsible mining practices gaining momentum.
10. Gemstone Treatments
It’s essential to acknowledge that not all rubies are mined in their finished, polished state. Gemstone treatments, such as heat treatment, are commonly employed to enhance color and clarity. Understanding these treatments is crucial for both consumers and industry professionals.
11. The Journey to Market
Once extracted and processed, rubies make their way to the global gemstone market. Auctions, gemstone fairs, and specialized dealers play key roles in connecting these precious stones with jewelry designers, and collectors around the world.
12. The Symbolism and Demand for Rubies
Beyond their geological and market significance, rubies hold cultural and symbolic value. In various cultures, rubies are associated with passion, vitality, and prosperity. Their timeless allure ensures a consistent demand in the jewelry industry, where rubies often take center stage in exquisite pieces.
In unraveling the sources of ruby gemstones, we embark on a journey that cross geological landscapes, cultural traditions, and ethical considerations. From the historic mines of the Mogok Valley to the emerging deposits in Africa, each source contributes to the rich tapestry of the global ruby trade. As we admire the radiant beauty of a ruby, let us also appreciate the complicated processes and diverse origins that make these gemstones truly extraordinary.
Frequently Asked Questions:
1. Where are the most famous rubies mined?
The most famous rubies come from Myanmar (formerly Burma), particularly from the Mogok Valley, which has produced some of the finest rubies in the world for centuries. These rubies are known for their exceptional color and clarity, often referred to as “Burmese rubies.”
2. Are there other significant sources of rubies?
Yes, rubies are also mined in several other countries, including:
- Thailand: Known for producing rubies with a darker, more intense red color, often called “Siam rubies.”
- Sri Lanka: Rubies from Sri Lanka, also known as Ceylon rubies, tend to be lighter in color, often with a pinkish hue.
- Madagascar: A newer source, Madagascar has become an important player in the ruby market, producing stones with a range of colors from deep red to pink.
- Mozambique: Mozambique has emerged as a major source of high-quality rubies, often compared to Burmese rubies due to their similar color and quality.
3. What makes Burmese rubies so special?
Burmese rubies are highly valued for their “pigeon’s blood” color, a deep, vibrant red with a slight blue undertone. This color is considered the epitome of quality in rubies, making Burmese rubies some of the most sought-after and expensive in the world.
4. How does the source affect the quality of a ruby?
The source can influence the ruby’s color, clarity, and overall quality. For instance, rubies from Myanmar are known for their intense red color, while those from Madagascar and Mozambique might have a slightly different hue or inclusions that affect their clarity. The source also impacts the ruby’s market value, with Burmese rubies often fetching higher prices due to their rarity and quality.
5. Are rubies from all sources treated?
Most rubies undergo some form of treatment to enhance their color and clarity, regardless of the source. However, untreated rubies, especially from prestigious sources like Myanmar, are highly prized and can command significant premiums.
6. Can I find rubies outside of these major sources?
Yes, rubies can also be found in other countries, including Afghanistan, Pakistan, Tanzania, and Vietnam, among others. Each source offers rubies with unique characteristics, making the global ruby market diverse and dynamic.
7. Is there a way to verify the source of a ruby?
Yes, gemological laboratories can often determine the geographic origin of a ruby through advanced testing methods. This certification can add to the gemstone’s value, especially if it confirms the ruby comes from a prestigious source like Myanmar.