Feldspar
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 6.5
Specific Gravity
2.56 – 2.75
Refractive Index
1.518 – 1.57
Cleavage
Perfect
Fracture
Uneven,Conchoidal,Splintery
Color
various
Birefringence
0.008
Mohs Hardness
Mohs Hardness: 6.0 – 6.5
1 Soft10 Hard
Value & Market
Price Tier
Moderate ($50-500/ct)
Where to Buy Feldspar
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 Feldspar
장석(장석류)은 지구 지각에서 가장 풍부한 광물군으로, 칼리장석(정장석, 미사장석, 천하석)과 사장석 계열로 나뉩니다. 보석 품종으로는 문스톤(월장석), 선스톤(일장석), 라브라도라이트, 아마조나이트 등이 있으며 각각 독특한 광학 효과를 자랑합니다. 그 다양한 광학 현상과 아름다운 색상으로 보석학에서 중요한 광물군입니다.
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Feldspar?
장석(장석류)은 지구 지각에서 가장 풍부한 광물군으로, 칼리장석(정장석, 미사장석, 천하석)과 사장석 계열로 나뉩니다. 보석 품종으로는 문스톤(월장석), 선스톤(일장석), 라브라도라이트, 아마조나이트 등이 있으며 각각 독특한 광학 효과를 자랑합니다. 그 다양한 광학 현상과 아름다운 색상으로 보석학에서 중요한 광물군입니다.
What is the hardness of Feldspar?
Feldspar has a Mohs hardness of 6.0 to 6.5, making it moderate for use in jewelry.
What color is Feldspar?
Feldspar is primarily Various.
How much does Feldspar cost?
Feldspar falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
How do you care for Feldspar?
Feldspar is moderately durable and best suited for earrings, pendants, and brooches. Avoid ultrasonic cleaners and harsh chemicals.