What To Know
- The intensity and saturation of this color play a significant role in determining the overall quality and value of the stone.
- Carat weight is a fundamental factor in determining the size and overall value of a tanzanite gemstone.
- The cut of a tanzanite refers to the manner in which it is shaped and faceted to maximize its brilliance and beauty.
Tanzanite, a captivating gemstone renowned for its mesmerizing blue-violet hues, is a true treasure of the mineral kingdom. Originating solely from the Merelani Hills of Tanzania, this rare and captivating gem has captured the hearts of jewelry enthusiasts worldwide. Understanding how to grade tanzanite is essential for making informed decisions when purchasing this exquisite gemstone. This comprehensive guide will delve into the key factors that determine the quality and value of tanzanite, empowering you with the knowledge to make discerning choices.
Color: The Essence of Tanzanite’s Allure
Color is undoubtedly the most crucial factor in grading tanzanite. The gemstone’s captivating blue-violet hue, often described as “electric blue” or “indigo,” is its defining characteristic. The intensity and saturation of this color play a significant role in determining the overall quality and value of the stone. Deep, vibrant hues command higher prices compared to paler or less saturated shades.
Clarity: Unveiling Tanzanite’s Inner Beauty
Clarity refers to the presence or absence of inclusions, which are natural imperfections found within the gemstone. Inclusions can range from minute crystals to visible fractures. The fewer inclusions a tanzanite possesses, the higher its clarity grade and, consequently, its value. Flawless stones, devoid of any visible inclusions, are extremely rare and highly sought after.
Carat Weight: Measuring Tanzanite’s Substance
Carat weight is a fundamental factor in determining the size and overall value of a tanzanite gemstone. Measured in carats, one carat being equivalent to 200 milligrams, the weight of a tanzanite directly influences its price. Larger tanzanites, particularly those exceeding five carats, are rarer and command significantly higher prices compared to their smaller counterparts.
Cut: Unleashing Tanzanite’s Brilliance
The cut of a tanzanite refers to the manner in which it is shaped and faceted to maximize its brilliance and beauty. Skilled cutters strive to create symmetrical and well-proportioned stones that showcase the gemstone’s inherent fire and scintillation. Precise cutting techniques also ensure optimal light reflection, enhancing the tanzanite’s captivating color and luster.
Transparency: Gauging Tanzanite’s Light Transmission
Transparency, also known as diaphaneity, measures the extent to which light can pass through a tanzanite gemstone. Highly transparent stones allow light to penetrate deeply, resulting in a vibrant and saturated color. Conversely, less transparent tanzanites appear opaque or milky, diminishing their overall brilliance and value.
Luster: Capturing Tanzanite’s Reflective Charm
Luster refers to the quality and quantity of light reflected from the surface of a tanzanite gemstone. High-quality tanzanites exhibit a brilliant and lively luster, reflecting light evenly across their facets. This characteristic contributes significantly to the gemstone’s overall beauty and desirability.
Origin: Tanzanite’s Exclusive Provenance
Tanzanite’s rarity and exclusivity are directly linked to its unique origin. Found exclusively in the Merelani Hills of Tanzania, this gemstone’s limited availability adds to its allure and value. Tanzanites sourced from this region are highly prized for their exceptional quality and distinctive color.
Additional Considerations: Enhancing Tanzanite’s Value
Beyond the primary grading factors, several additional considerations can further enhance the value of a tanzanite gemstone. These include:
- Fluorescence: Some tanzanites exhibit fluorescence, the ability to emit visible light when exposed to ultraviolet radiation. Strong fluorescence can add to the gemstone’s overall brilliance and desirability.
- Pleochroism: Tanzanite is a pleochroic gemstone, meaning it exhibits different colors when viewed from different angles. Strong pleochroism, particularly a noticeable change from blue to violet, is highly sought after and commands a premium.
- Heat Treatment: Most tanzanites undergo heat treatment to enhance their color and clarity. This process is widely accepted and does not diminish the gemstone’s value. However, untreated tanzanites, though rare, may command higher prices due to their natural state.
Key Points: Unveiling Tanzanite’s Splendor
Grading tanzanite is an art form that requires a keen eye, extensive knowledge, and an appreciation for this extraordinary gemstone‘s unique characteristics. By understanding the key grading factors, including color, clarity, carat weight, cut, transparency, luster, and origin, you can make informed decisions when selecting a tanzanite that truly captures your heart. Whether for personal adornment or as an investment, tanzanite’s captivating beauty and rarity make it a timeless treasure.
Information You Need to Know
Q: How can I distinguish between natural and synthetic tanzanite?
A: Synthetic tanzanite, though rare, can be identified by its lack of natural inclusions and a more uniform color distribution. Natural tanzanite often exhibits subtle variations in color and the presence of microscopic inclusions.
Q: What is the best way to care for my tanzanite jewelry?
A: To maintain the beauty and longevity of your tanzanite jewelry, avoid exposing it to harsh chemicals, extreme temperatures, and sudden impacts. Clean your tanzanite pieces gently with a mild detergent and lukewarm water, using a soft cloth to avoid scratching the gemstone’s surface.
Q: Can tanzanite be resized or altered?
A: Tanzanite is a relatively soft gemstone, making it susceptible to chipping or cracking if not handled properly. Resizing or altering tanzanite jewelry should only be performed by a skilled jeweler who understands the unique properties of this gemstone.
