Aventurine
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Distinguished by a glittering metallic shimmer called aventurescence, aventurine is a variety of quartz whose sparkle comes from aligned flakes of fuchsite mica. It appears most famously in green but also in reddish brown, blue, and orange, and it registers roughly 6.5 to 7.0 on the Mohs scale. The finest green material comes from India, where it has been carved into beads and figurines for centuries, while blue aventurine is drawn from Brazil and reddish specimens from Norway. Affordable, durable, and moderately priced, it remains one of the most widely used semi-precious stones for jewelry and decorative carving.
Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
7.0 – 6.5
Specific Gravity
2.64 – 2.69
Refractive Index
1.544 – 1.553
Crystal System
Triclinic
Cleavage
None
Fracture
Conchoidal,Splintery
Color
various
Birefringence
0.007
Pleochroism
Absent
Mohs Hardness
Mohs Hardness: 7.0 – 6.5
1 Soft10 Hard
Crystal System
Value & Market
Price Tier
Moderate ($50-500/ct)
Where to Buy Aventurine
Blue Nile
Fine jewelry retailer
James Allen
Gemstone jewelry
Brilliant Earth
Ethically sourced gems
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
About Aventurine
어벤추린(사금석, 砂金石)은 내부에 운모나 크롬 광물 등의 미세한 반짝이는 편린을 포함한 석영으로, 독특한 반짝임 효과인 '어벤투레선스(aventurescence)'를 나타냅니다. 이탈리아어로 '우연히'라는 뜻이 있으며, 녹색이 가장 흔하지만 오렌지색, 청색, 적색 등 다양한 색상이 존재합니다. 인도에서 대규모로 산출되며, 보석과 조각 소재로 널리 사용됩니다.
Compare With
Jewelry Use
Durability
7/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Aventurine?
어벤추린(사금석, 砂金石)은 내부에 운모나 크롬 광물 등의 미세한 반짝이는 편린을 포함한 석영으로, 독특한 반짝임 효과인 '어벤투레선스(aventurescence)'를 나타냅니다. 이탈리아어로 '우연히'라는 뜻이 있으며, 녹색이 가장 흔하지만 오렌지색, 청색, 적색 등 다양한 색상이 존재합니다. 인도에서 대규모로 산출되며, 보석과 조각 소재로 널리 사용됩니다.
What is the hardness of Aventurine?
Aventurine has a Mohs hardness of 7.0 to 6.5, making it excellent for use in jewelry.
What color is Aventurine?
Aventurine is primarily Various.
How much does Aventurine cost?
Aventurine falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Aventurine?
Aventurine belongs to the Triclinic crystal system.