Magnetite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.5 – 6.5
Specific Gravity
5.2
Refractive Index
2.42
Crystal System
Isometric
Luster
Metallic
Cleavage
Good
Fracture
Uneven,Irregular
Color
various
Mohs Hardness
Mohs Hardness: 5.5 – 6.5
1 Soft10 Hard
Crystal System
Value & Market
Price Tier
Budget (< $50/ct)
Where to Buy Magnetite
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 Magnetite
자철석은 강한 자성을 가진 철 산화물 광물로, 검은색 내지 철흑색의 팔면체 결정이 특징입니다. 가장 자성이 강한 천연 광물 중 하나로, 고대부터 나침반의 원리를 이해하는 데 활용되었습니다. 광물 표본 수집이나 장식 목적으로 사용되며, 특히 잘 발달된 팔면체 결정이 높이 평가됩니다.
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Magnetite?
자철석은 강한 자성을 가진 철 산화물 광물로, 검은색 내지 철흑색의 팔면체 결정이 특징입니다. 가장 자성이 강한 천연 광물 중 하나로, 고대부터 나침반의 원리를 이해하는 데 활용되었습니다. 광물 표본 수집이나 장식 목적으로 사용되며, 특히 잘 발달된 팔면체 결정이 높이 평가됩니다.
What is the hardness of Magnetite?
Magnetite has a Mohs hardness of 5.5 to 6.5, making it moderate for use in jewelry.
What color is Magnetite?
Magnetite is primarily Various.
How much does Magnetite cost?
Magnetite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Magnetite?
Magnetite belongs to the Isometric crystal system.