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 | Reference mineral | Esperite |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | |
| 3 | Calcite | |
| 4 | Fluorite | |
| 5 | Apatite | ● |
| 6 | Orthoclase | |
| 7 | Quartz | |
| 8 | Topaz | |
| 9 | Corundum | |
| 10 | Diamond |
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
エスペライトは、カルシウム鉛亜鉛珪酸塩鉱物で、紫外線下で鮮やかな黄色の蛍光を示す蛍光鉱物として知られています。ニュージャージー州フランクリン産の標本が世界的に有名で、フランクリナイトやウィレマイトと共に産出します。蛍光鉱物コレクターに非常に人気があります。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Esperite?
エスペライトは、カルシウム鉛亜鉛珪酸塩鉱物で、紫外線下で鮮やかな黄色の蛍光を示す蛍光鉱物として知られています。ニュージャージー州フランクリン産の標本が世界的に有名で、フランクリナイトやウィレマイトと共に産出します。蛍光鉱物コレクターに非常に人気があります。
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.