Company Profile

The full name of our laboratory is GEMMOLOGICAL laboratory (THAILAND), abbreviated as GLT

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  Ruby Identification

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  Sapphire Identification

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  Identification of Emerald

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  Identification of Tanzanite

IDENTIFICATION CASE

• Ruby Identification
• Sapphire Identification
• Identification of Emerald
• SPINEL IDENTIFICATION
• Identification of Tanzanite

GLT NEWS

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  "How to Identify Authentic Sapphire: Blue Gemstone Appraisal"

  Sapphires are one of the most popular and sought after gemstones due to their deep and rich blue color. However, not all sapphires are created equal and some are even imitations or treated stones. As a result, it is important to be able to identify authentic sapphire before making a purchase or getting a gemstone appraisal. In this article, we will discuss how to identify authentic sapphire through various characteristics and tests.1. Color: The first and most obvious characteristic of an authentic sapphire is its unique blue color. The color should be vivid and deep, with a strong saturation that is not too dark or too light. Some sapphires can also have secondary hues, such as violet or green, but these should not be too dominant.2. Clarity: The clarity of sapphires can vary widely due to the presence of inclusions or internal flaws. However, authentic sapphires should have a degree of transparency that allows light to pass through and create a brilliant sparkle. In general, the less...

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  Unlocking the Mystery of Ruby Authentication

  Ruby is a popular programming language known for its simplicity and productivity. It is widely used by developers for building website applications. Security is a major concern in such applications, and authentication is a vital part of securing access to the system. In this article, we'll dive into the mystery of Ruby authentication and learn how it works.Authentication is the process of verifying the identity of a user, device, or system. In website applications, authentication is used to control access to resources. For example, it prevents unauthorized access to sensitive data or functionalities. Authentication is typically based on user credentials, such as a username and password.In Ruby, authentication is usually implemented using libraries or frameworks. The most popular authentication frameworks in Ruby are Devise and Clearance. Devise is a full-featured authentication framework that supports various authentication strategies, such as database, LDAP, and OAuth. Clearance i...

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  How to Tell if Your Ruby is Natural or Synthetic

  Ruby is a precious gemstone that has been prized for its beauty and rarity for centuries. As with any valuable item, there are always those who seek to replicate it artificially. Synthetic rubies have been created in laboratories for many years and have become increasingly sophisticated over time. While synthetic rubies can be just as beautiful as natural ones, they are often sold at a lower price. Therefore, it is important to know how to tell if your ruby is natural or synthetic before making any purchase. In this article, we will discuss how to tell the difference between natural and synthetic rubies.1. Check the colorThe color of a ruby is an excellent indicator of its authenticity. Natural rubies come in a range of shades, from a deep blood red to a pinkish hue. They also have natural imperfections, which can give them a slightly cloudy appearance. On the other hand, synthetic rubies are often too perfect in color and clarity. They might also be too uniform and have no visible imp...

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  "How to Identify Authentic Sapphire: Blue Gemstone Appraisal"

  Sapphires are one of the most popular and sought after gemstones due to their deep and rich blue color. However, not all sapphires are created equal and some are even imitations or treated stones. As a result, it is important to be able to identify authentic sapphire before making a purchase or getting a gemstone appraisal. In this article, we will discuss how to identify authentic sapphire through various characteristics and tests.1. Color: The first and most obvious characteristic of an authentic sapphire is its unique blue color. The color should be vivid and deep, with a strong saturation that is not too dark or too light. Some sapphires can also have secondary hues, such as violet or green, but these should not be too dominant.2. Clarity: The clarity of sapphires can vary widely due to the presence of inclusions or internal flaws. However, authentic sapphires should have a degree of transparency that allows light to pass through and create a brilliant sparkle. In general, the less...

  LEARN MORE