Labradorite
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Famed for a vivid iridescence known as labradorescence, labradorite is a calcium-rich plagioclase feldspar whose flashes of blue, gold, green, orange, and red arise from light interference between fine twinning layers inside the stone. It was first found in 1770 on Canada's Labrador Peninsula, the source of its name; major gem material now comes from Madagascar, Finland, and Mexico, and the Finnish variety spectrolite shows especially dramatic full-spectrum color. Crystallizing in the triclinic system, it measures 6.0 to 6.5 on the Mohs scale. Moderately priced and semi-precious, labradorite is one of the most widely used stones in modern jewelry and lapidary work.
Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 6.5
Specific Gravity
2.69 – 2.72
Refractive Index
1.554 – 1.573
Crystal System
Triclinic
Luster
Vitreous
Cleavage
Perfect
Fracture
Uneven
Color
various
Birefringence
0.007
Pleochroism
From the Congo, red stones show weak pleochroism whilst greenstones have distinct greenish yellow to bluish green pleochroism
Mohs Hardness
Mohs Hardness: 6.0 – 6.5
1 Soft10 Hard
Crystal System
Value & Market
Price Tier
Moderate ($50-500/ct)
Where to Buy Labradorite
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 Labradorite
래브라도라이트는 사장석(플라지오클레이스) 그룹의 펠드스파 광물로, 특유의 '래브라도레슨스'라 불리는 화려한 청색, 녹색, 황색, 주황색의 다색 간섭 현상이 특징입니다. 이 무지갯빛 광채는 내부의 미세 층상 구조에서 빛이 간섭을 일으켜 발생합니다. 캐나다 래브라도 반도가 발견지이며, 투명하고 강한 래브라도레슨스를 보이는 '스펙트로라이트'는 핀란드 특산품입니다.
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Labradorite?
래브라도라이트는 사장석(플라지오클레이스) 그룹의 펠드스파 광물로, 특유의 '래브라도레슨스'라 불리는 화려한 청색, 녹색, 황색, 주황색의 다색 간섭 현상이 특징입니다. 이 무지갯빛 광채는 내부의 미세 층상 구조에서 빛이 간섭을 일으켜 발생합니다. 캐나다 래브라도 반도가 발견지이며, 투명하고 강한 래브라도레슨스를 보이는 '스펙트로라이트'는 핀란드 특산품입니다.
What is the hardness of Labradorite?
Labradorite has a Mohs hardness of 6.0 to 6.5, making it moderate for use in jewelry.
What color is Labradorite?
Labradorite is primarily Various.
How much does Labradorite cost?
Labradorite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Labradorite?
Labradorite belongs to the Triclinic crystal system.