Star Lanka - Green Gemstones

Star Lanka - Green Gemstones

Since its inception in 1985, Starlanka has been synonymous with uncompromising quality and unparalleled beauty in the realm of gemstones. Driven by a profound appreciation for their exquisite allure, we meticulously curate each gemstone, forging enduring relationships with miners and artisans globally to bring our customers the most extraordinary selection of treasures.

Each gemstone that graces our collection undergoes a meticulous selection process, ensuring that only the finest specimens with exceptional characteristics make their way to our discerning clientele. We believe in cherishing the uniqueness and individuality of each gem, recognizing that they carry their own distinct story and allure.

Our extensive network of relationships with miners and artisans spans the globe, allowing us to curate an unparalleled collection of gemstones that captivate the senses and stir the imagination. From the vibrant hues of sapphires to the fiery brilliance of rubies, our offerings showcase the diversity and splendor of nature's creations.

At Starlanka, we are driven by a commitment to excellence in every facet of our operations. Whether it's procuring rare and exquisite gemstones or providing exceptional customer service, our dedication to perfection shines through in everything we do. We understand that for our customers, each gemstone is not just a stone but a piece of art waiting to be discovered and cherished.

As we continue our mission of sharing the wonder and magic of gemstones with the world, we invite you to embark on a journey of discovery with Starlanka. Explore our collection and uncover the beauty and elegance that lies within each gem. With Starlanka, every gemstone is a testament to the timeless allure of nature's creations, waiting to be treasured for generations to come.

Star Lanka Co., Ltd

No. 234, 2nd Floor, Jewelry Trade Center,

Si Lom Rd, Silom, Bangrak, Bangkok 10500, Thailand

+66 2 630 2629

Star Lanka - Rhodolite Garnet

The Science Behind Gemstone Colors and Their Origins

The Science Behind Gemstone Colors and Their Origins

Gemstones have captivated humanity with their mesmerizing colors and sparkling allure for centuries. These precious stones not only serve as ornamental jewels but also carry a rich history, cultural significance, and an intriguing scientific background. The radiant hues that make each gem unique are the result of complex processes that took place over millions of years within the Earth's crust. This essay delves into the fascinating science behind gemstone colors and their geological origins.

At the heart of a gemstone's color lies its chemical composition and crystal structure. Minerals are composed of atoms arranged in an orderly pattern called a crystal lattice. Variations in these arrangements can lead to differences in how light interacts with the material, ultimately determining what color we perceive when looking at a stone.

One primary factor influencing gemstone color is the presence of trace elements or impurities within its crystalline matrix. For example, without impurities, diamonds would be entirely colorless; however, the presence of nitrogen can cause them to appear yellow or brown, while boron results in shades of blue.

Similarly, the vibrant green shade of emeralds is due to traces of chromium or vanadium within the beryl mineral structure from which they form. Rubies owe their fiery red hue to chromium as well, yet they arise from corundum rather than beryl—showcasing how different minerals influenced by similar elements can yield vastly distinct outcomes.

Another contributor to gemstone color is known as "charge transfer." This occurs when electrons jump between different ions or elements within a mineral's structure upon interaction with light. A classic example is sapphire: blue sapphires undergo charge transfer between iron and titanium ions whereas iron alone produces yellow sapphires.

Physical phenomena such as pleochroism add another layer to our understanding of gem colors. Pleochroic gems display different colors when viewed from various angles due to differential absorption of light along different axes within the crystal. Tanzanite exhibits this property remarkably well; it can show shades ranging from blue to violet depending on perspective.

The formation process itself plays a critical role in determining both the availability and quality of colored gemstones. Most gems originate deep underground where high pressure and temperature conditions allow for crystal growth over millennia. Geological events such as volcanic eruptions or tectonic shifts may then bring these treasures closer to the surface where they become accessible through mining operations.

Different environments foster different types of gems: diamond forms under extreme conditions in Earth’s mantle before being brought up via kimberlite pipes; opal develops in ancient seabeds through silica deposition; whereas pegmatites host large crystals like aquamarine due to their slow cooling processes allowing time for substantial growth.

Human fascination with these colorful stones extends beyond mere aesthetic appreciation – it reflects an innate curiosity about Earth's mysteries hidden beneath our feet. Through advancements in geology and materials science, we continue unraveling secrets behind these natural wonders, enhancing our admiration for their beauty while enriching our knowledge about planet Earth itself.

In conclusion, the vibrant tapestry that makes up gemstone colors comes from a symphony played out on atomic scales involving chemistry, physics, and geology—tuned together by nature’s hand over vast spans of time. As much symbols of wealth and status as they are marvels to scientists across disciplines—the story behind each sparkling hue reminds us that even small changes at microscopic levels can lead to spectacular displays visible across rooms filled with admirers dreaming about distant worlds encapsulated within earthly stones.



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Entity Definition
Bi Colour Tourmaline Tourmaline gemstones that display two or more distinct colors, often in a gradient.
Cuprian Tourmaline Tourmaline with a high copper content, resulting in bright and vivid colors.
Chrome Tourmaline Tourmaline gemstones with a deep green color, enhanced by chromium content.
Green Tourmaline Tourmaline gemstones that range from light to dark green, known for their rich color.
Pink Tourmaline Tourmaline gemstones with a pink hue, popular for their delicate and attractive color.


Star Lanka - Fine Jewelry

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10 Timeless Jewelry Pieces Every Woman Should Own

The allure of jewelry is timeless, transcending generations and cultures. It's more than just adornment; it's a personal statement, a form of self-expression, and often, a cherished heirloom. While trends come and go, there are certain pieces of jewelry that remain perennial favorites—classic items that every woman should consider having in her collection. Here are ten timeless jewelry pieces that stand the test of time.

1. Diamond Stud Earrings
A pair of diamond stud earrings is the epitome of elegance. They are simple yet sophisticated, providing just the right amount of sparkle to both day and evening attire. Whether set in yellow gold, white gold or platinum, these versatile gems complement any outfit without overpowering it.

2. A String of Pearls
Pearls have been revered for their quiet lustre and grace for centuries. A classic string of pearls can instantly impart a sense of sophistication and polish to an ensemble. Whether worn with a little black dress or paired with a crisp shirt for work, pearls are the embodiment of refined taste.

3. The Solitaire Ring
The solitaire ring – typically featuring a single diamond mounted on a simple band – is universally recognized as a symbol of love and commitment but also serves as an elegant accessory for those who appreciate understated beauty. Even outside romantic contexts, such rings can be seen as symbols of personal success or milestones.

4. Gold Hoop Earrings
Gold hoop earrings can range from delicate circles to bold statement hoops but always manage to convey confidence and style no matter their size or thickness. They add warmth to your complexion and bring attention to your face with their gentle movement.

5. A Classic Watch
A watch is not only functional but also communicates style and sophistication like few other accessories can do so subtly yet effectively—whether it’s an heirloom piece passed down through generations or one chosen for its craftsmanship and design excellence.

6. A Simple Chain Necklace
Whether you prefer yellow gold, white gold or sterling silver—a simple chain necklace offers endless versatility because it can be adorned with pendants or layered with other necklaces to create different looks but looks chic when worn alone as well.

7. Stackable Rings
Stackable rings allow you to express your individuality by mixing metals, textures, stones and designs according to your mood or occasion—they look equally stylish when stacked together as they do individually on different fingers.

8 String Bracelet
String bracelets offer casual elegance that pairs effortlessly with everyday wear while holding significant meaning if chosen carefully - think charm bracelets with personalized charms representing life milestones or interests

9 Bangle Bracelets
Bangles are arm candy at its finest - whether crafted from precious metals bedazzled with gemstones ultra-thin bangles clinking melodiously on your wrist fashion statements unto themselves

10 Locket Necklaces
Nothing says 'treasured keepsake' quite like locket necklaces which may carry pictures loved ones mementos close heart serving constant reminders what matters most

Each these jewelry pieces embodies certain timelessness will continue be treasured many years come Owning them not only means invested wardrobe also invested tradition elegance ensures you're prepared any event occasion comes way Remember quality outweighs quantity comes building jewelry collection focusing acquiring these essentials ensure have suitable options hand make feel beautiful confident no matter where life takes you


Frequently Asked Questions

Tanzanite is highly valued for its striking blue-violet color and rarity, as it is only found in a small area of Tanzania, making it a popular choice for fine jewelry.

Star Sapphires exhibit a star-like effect called asterism, caused by intersecting needle-like inclusions, making them distinct from regular faceted sapphires.

Tsavorite Garnet is known for its bright green color, high brilliance, and durability, making it an excellent alternative to emeralds in fine jewelry.

When purchasing Wholesale Quantity Gems, consider factors such as the quality, consistency, certification, and reputation of the supplier to ensure a reliable and worthwhile investment.

Colombian Emeralds are prized for their deep green color and exceptional clarity, often considered the finest quality emeralds in the world.

Padparadscha Sapphires are rare and valuable due to their unique pinkish-orange color, reminiscent of a tropical sunset, and are highly sought after by collectors.

Choosing the best gemstone for an engagement ring involves considering factors like the gemstone's hardness, durability, color, clarity, and personal significance to the wearer.