Citrine
| Property | Details |
|---|
| Mineral | Quartz |
| Mohs Hardness | 7 |
| Refractive Index | 1.544 – 1.553 |
| Birthstone | November |
| Anniversary | 13th |
| Major Sources | Brazil, Bolivia, Spain, Madagascar |
| Treatments | Heat-treated amethyst (standard, permanent) |
Overview
Citrine is the golden to orange variety of quartz, known as the merchant's stone for its historical association with prosperity and success. Colors range from pale lemon yellow to a deep, reddish-orange called Madeira citrine. Natural citrine is quite rare; most commercial citrine is produced by heat-treating amethyst, which permanently transforms the purple color into warm golden tones.
History & Lore
Ancient Greek merchants carried citrine as a talisman believed to attract wealth. Scottish warriors and Celtic peoples used citrine to adorn the handles of daggers and swords. The gemstone was most popular during the Art Deco era of the 1920s and 1930s, when Hollywood stars wore elaborate citrine jewelry.
Quality & Value Factors
A vivid, saturated yellow or a rich reddish-orange (Madeira) is most valued. Clarity should be eye-clean, which is standard for quartz. Natural citrine commands a slight premium over heat-treated material, but both are equally durable and beautiful. Its warm color complements both yellow and rose gold settings beautifully.
Care & Cleaning
Citrine ranks 7 on the Mohs scale, making it durable for everyday jewelry. It can be cleaned with warm soapy water or an ultrasonic cleaner. Avoid prolonged exposure to intense heat or direct sunlight, as it can alter the stone's color.
Frequently Asked Questions
What is the difference between natural citrine and heat-treated citrine?
Natural citrine occurs when trace amounts of iron in quartz are naturally irradiated in the earth over millions of years, producing a pale to medium yellow color. It is quite rare. Most commercial citrine is produced by heat-treating amethyst at high temperatures, which permanently changes the purple iron impurities to golden-orange tones. Heat-treated citrine tends to display deeper, more saturated orange colors. Both types are equally durable and beautiful, though natural citrine commands a slight premium among collectors.
What is Madeira citrine?
Madeira citrine is the trade name for the most valued shade of citrine: a deep, reddish-orange to brownish-orange color reminiscent of Madeira wine from Portugal. This rich, saturated color is the most prized and typically commands the highest prices. The name refers to the color grade, not the origin of the stone.
Is citrine a good alternative to yellow sapphire?
Citrine offers a beautiful golden color at a fraction of the cost of yellow sapphire. While yellow sapphire (Mohs 9) is harder and rarer, citrine (Mohs 7) is durable enough for most jewelry and available in much larger sizes for the same budget. For those seeking a warm golden gemstone for everyday jewelry, citrine provides excellent value and beauty.
Why is citrine called the merchant's stone?
Citrine has been called the merchant's stone since ancient times because it was believed to attract wealth, prosperity, and success in business. Greek and Roman merchants carried citrine talismans for good fortune. Chinese Feng Shui practitioners also associate citrine with abundance. While these beliefs are cultural traditions rather than scientific facts, they have contributed to citrine's enduring popularity as a gift for business owners and entrepreneurs.
Can citrine fade over time?
Like other quartz varieties, citrine can fade with prolonged exposure to intense direct sunlight or high heat. The golden color is caused by iron impurities in a specific oxidation state, and UV radiation can gradually alter this state. To preserve the color, store citrine away from windows and avoid leaving it in direct sunlight for extended periods. Normal daily wear and incidental sun exposure will not cause noticeable fading.
Specialty & Collector Gemstones