Star Ruby
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Physical & Optical Properties
Category
Precious Gems
Mohs Hardness
9.0
Specific Gravity
3.95 – 4.1
Refractive Index
1.757 – 1.78
Crystal System
Trigonal
Fracture
Uneven,Conchoidal
Color
red
Birefringence
0.007
Mohs Hardness
Mohs Hardness: 9.0
1 Soft10 Hard
Crystal System
Value & Market
Price Tier
Investment ($5,000+/ct)
Where to Buy Star Ruby
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 Star Ruby
스타 루비는 내부의 루틸 침상 내포물이 빛을 반사하여 카보숑 표면에 6줄기(드물게 12줄기) 성상을 만들어내는 강옥입니다. 미얀마·스리랑카·인도가 최상품의 산지이며, 성상의 선명도와 루비 자체의 붉은색 강도가 품질 평가의 핵심 기준입니다. 성상이 완벽하게 중심에 위치하고 이동하는 최상품은 매우 드물어 높은 가격에 거래됩니다.
Jewelry Use
Durability
10/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Star Ruby?
스타 루비는 내부의 루틸 침상 내포물이 빛을 반사하여 카보숑 표면에 6줄기(드물게 12줄기) 성상을 만들어내는 강옥입니다. 미얀마·스리랑카·인도가 최상품의 산지이며, 성상의 선명도와 루비 자체의 붉은색 강도가 품질 평가의 핵심 기준입니다. 성상이 완벽하게 중심에 위치하고 이동하는 최상품은 매우 드물어 높은 가격에 거래됩니다.
What is the hardness of Star Ruby?
Star Ruby has a Mohs hardness of 9.0, making it excellent for use in jewelry.
What color is Star Ruby?
Star Ruby is primarily Red.
How much does Star Ruby cost?
Star Ruby falls into the Investment ($5,000+/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Star Ruby?
Star Ruby belongs to the Trigonal crystal system.