Kornerupine
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.5
Specific Gravity
3.25 – 3.45
Refractive Index
1.66 – 1.685
Crystal System
Orthorhombic
Luster
Vitreous
Cleavage
Good
Fracture
Conchoidal
Color
various
Birefringence
0.012
Dispersion
0.018
Pleochroism
Strong trichroism is common for green variety: green - yellow - reddish brown
Mohs Hardness
Mohs Hardness: 6.5
1 Soft10 Hard
Crystal System
Value & Market
Price Tier
Moderate ($50-500/ct)
Where to Buy Kornerupine
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 Kornerupine
코르네루핀은 마그네슘 알루미늄 붕소 규산염 광물로, 황록색에서 갈색, 청록색의 다양한 색상을 보입니다. 강한 다색성을 지니며 일부 표본은 알렉산드라이트와 유사한 색변 현상을 보이기도 합니다. 스리랑카, 마다가스카르, 케냐가 주요 산지이며, 희귀성과 아름다운 색채로 수집 보석으로 높이 평가됩니다.
Jewelry Use
Durability
6/10
Science FYI Family
Frequently Asked Questions
What is Kornerupine?
코르네루핀은 마그네슘 알루미늄 붕소 규산염 광물로, 황록색에서 갈색, 청록색의 다양한 색상을 보입니다. 강한 다색성을 지니며 일부 표본은 알렉산드라이트와 유사한 색변 현상을 보이기도 합니다. 스리랑카, 마다가스카르, 케냐가 주요 산지이며, 희귀성과 아름다운 색채로 수집 보석으로 높이 평가됩니다.
What is the hardness of Kornerupine?
Kornerupine has a Mohs hardness of 6.5, making it moderate for use in jewelry.
What color is Kornerupine?
Kornerupine is primarily Various.
How much does Kornerupine cost?
Kornerupine falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Kornerupine?
Kornerupine belongs to the Orthorhombic crystal system.