Esperite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.0 – 5.5
Specific Gravity
4.28 – 4.42
Refractive Index
1.76 – 1.774
Crystal System
Monoclinic
Luster
Greasy,Dull (Earthy)
Cleavage
Distinct,Poor
Fracture
Conchoidal
Color
various
Mohs Hardness
Mohs Hardness: 5.0 – 5.5
1 Soft10 Hard
Crystal System
Value & Market
Price Tier
Budget (< $50/ct)
Where to Buy Esperite
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 Esperite
에스페라이트는 칼슘 납 아연 규산염 광물로 뉴저지 프랭클린 광산에서 발견됩니다. 단파 자외선 아래 강렬한 황녹색 형광을 발산하는 형광 광물로 유명합니다. 프랭클린 광산 형광 광물 집합체의 일원으로, 형광 광물 수집가들에게 높은 가치를 지닙니다. 이미 폐광된 광산에서 나온 희귀 표본만 유통됩니다.
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Esperite?
에스페라이트는 칼슘 납 아연 규산염 광물로 뉴저지 프랭클린 광산에서 발견됩니다. 단파 자외선 아래 강렬한 황녹색 형광을 발산하는 형광 광물로 유명합니다. 프랭클린 광산 형광 광물 집합체의 일원으로, 형광 광물 수집가들에게 높은 가치를 지닙니다. 이미 폐광된 광산에서 나온 희귀 표본만 유통됩니다.
What is the hardness of Esperite?
Esperite has a Mohs hardness of 5.0 to 5.5, making it moderate for use in jewelry.
What color is Esperite?
Esperite is primarily Various.
How much does Esperite cost?
Esperite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Esperite?
Esperite belongs to the Monoclinic crystal system.