Beryl
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
7.5 – 8.0
Specific Gravity
2.6 – 2.9
Refractive Index
1.56 – 1.604
Crystal System
Hexagonal
Luster
Vitreous
Cleavage
Indistinct
Fracture
Uneven,Conchoidal
Color
various
Birefringence
0.003
Dispersion
0.014
Pleochroism
Red beryl - distinct: (orangy)-red - purplish-red; Golden beryl - weak: yellowish - greenish-yellow; Green beryl - distinct: yellow-green - blue-green
Mohs Hardness
| Mohs | Reference mineral | Beryl |
|---|---|---|
| 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
Moderate ($50-500/ct)
Where to Buy Beryl
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 Beryl
ベリルはベリリウムアルミニウムケイ酸塩鉱物で、世界でも最も珍重される宝石群を含んでいます：エメラルド（緑）・アクアマリン（青）・モルガナイト（ピンク）・ゴールデンベリル（黄）・ヘリオドール（黄緑）・ビキシバイト（赤）の各変種です。モース硬度7.5-8の適度な硬さと優れた透明度を持ち、世界各地のペグマタイトから産出します。
On this page
Jewelry Use
Durability
8/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Beryl?
ベリルはベリリウムアルミニウムケイ酸塩鉱物で、世界でも最も珍重される宝石群を含んでいます：エメラルド（緑）・アクアマリン（青）・モルガナイト（ピンク）・ゴールデンベリル（黄）・ヘリオドール（黄緑）・ビキシバイト（赤）の各変種です。モース硬度7.5-8の適度な硬さと優れた透明度を持ち、世界各地のペグマタイトから産出します。
What is the hardness of Beryl?
Beryl has a Mohs hardness of 7.5 to 8.0, making it excellent for use in jewelry.
What color is Beryl?
Beryl is primarily Various.
How much does Beryl cost?
Beryl falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Beryl?
Beryl belongs to the Hexagonal crystal system.