Kaduna, a state in northwestern Nigeria, is rich in natural resources, including a variety of gemstones that have attracted attention both locally and internationally.
The Gold and Gemstone conference and exhibition 2024 will be exhibiting 4 gemstones found in Kaduna state here is everything you need to know about them.
Names and locations of the gemstones
The gemstones found are Sapphire, Topaz, Amethyst and Aquamarine. Sanga LGA, Jaba, Kachia LGA, Rishua, Attakar, and Kwoi are among the places where topaz is found. There is garnet in the Jama’a region and amethyst in Kaura, Sambang, Jaba, and Kagome. Lastly, Zircon can be found in Gidan Waya, Jaba,and Antang.

Properties and Price range.
Sapphire: Rubies are all red corundum gems of gem quality. Gem-quality corundum in all other colours is referred to as sapphires. Blue sapphires are typically only referred to as sapphires on the market, although sapphires of other colours are frequently designated as yellow, pink, or other colours, and are referred to as “fancy sapphires.” However, the term “sapphire” refers to any sapphire, regardless of colour, when addressing the material’s optical and physical characteristics.
Price range.
● Lower-quality sapphires: $25 to $500 per carat
● Mid-range sapphires: $500 to $2,000 per carat
● High-quality sapphires: $2,000 to $10,000+ per carat
Topaz: A stunning gemstone with a wide range of colours is topaz. Because topaz is typically less expensive than sapphires, it is a popular choice for jewelry. For millennia, topaz has been used in jewelry and other applications. It was connected to several virtues and thought to have therapeutic qualities.
Price Range.
● Blue topaz common: $10 to $50 per carat
● Additional colours (pink, orange, and yellow): $50 to $200 per carat
● Rare pink or red imperial topaz: $500 to $1,500 or more per carat.
Amethyst: Amethyst is a variety of quartz that exhibits a purple hue, ranging from pale lilac to deep violet. It’s prized for its beauty and believed metaphysical properties
Price Range
● Lower-quality amethyst: $5 to $20 per carat
● Mid-range amethyst: $20 to $100 per carat
● High-quality amethyst: $100+ per carat
Aquamarine: Beryl is a mineral that is prized for its hardness and endurance. Aquamarine is one of its varieties. Its distinctive hue varies from a light blue to a more vivid blue-green.
● Lower-quality aquamarine: $50 to $200 per carat