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Earth Treasures: Ametrine Gemstone

By Chisom Ibemere

Ametrine is a gemstone that is a variety of quartz, a combination of amethyst and citrine. It was first discovered in the 17th century in the Anahi mine in Bolivia.

The name “ametrine” is gotten from the combination of “amethyst” and “citrine,” reflecting the stone’s unique color combination.

Ametrine is basically found in the Anahi mine in Bolivia, where it was first discovered though smaller deposits have also been found in Brazil, Uruguay, Canada, Russia, and Madagascar.

The formation of ametrine occurs when amethyst and citrine, both of which are forms of quartz, combine and grow together in the same crystal structure.

Ametrine is primarily used in the production of jewellery. Its unique colours, a combination of purple and yellow, make it a popular choice for pendants, rings, and other accessories.

The stone is often faceted to showcase its vibrant hues and can be found in various cuts and shapes.

Ametrine has a Mohs hardness of 7, which means it is relatively durable and suitable for everyday wear. It has a hexagonal crystal structure and typically exhibits a transparent to translucent appearance.

The colour combination of amethyst and citrine in ametrine gives it a distinct appearance, with zones or bands of purple and yellow.

The colour intensity and distribution within the stone can vary, resulting in unique and eye-catching patterns. The value of ametrine is influenced by several factors such as colour distribution, clarity, and size of the gemstone.

High-quality, well-cut, and evenly distributed ametrine with vibrant colours is considered more valuable. The rarity of ametrine compared to its component gemstones, amethyst and citrine, also contributes to its value.

The global market for the gemstone, continues to thrive, with growing demand from jewelry designers and collectors alike. As a result, the value of ametrine has remained relatively stable and has the potential to appreciate in the future.


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