Beryllonite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.5 – 6.0
Specific Gravity
2.79 – 2.87
Refractive Index
1.552 – 1.562
Crystal System
Monoclinic
Cleavage
Perfect
Color
various
Birefringence
0.009
Dispersion
0.01
Pleochroism
Absent
Mohs Hardness
| Mohs | Reference mineral | Beryllonite |
|---|---|---|
| 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 Beryllonite
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 Beryllonite
ベリロナイトはメインやブラジルのペグマタイトに産する無色から淡黄または白色の短柱状結晶を形成する稀少なリン酸ナトリウムベリリウム鉱物です。高い透明度を持ちながらも軟らかく劈開があるため宝石としての実用性は限られますが、コレクター向けの希少宝石として研磨されることがあります。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Beryllonite?
ベリロナイトはメインやブラジルのペグマタイトに産する無色から淡黄または白色の短柱状結晶を形成する稀少なリン酸ナトリウムベリリウム鉱物です。高い透明度を持ちながらも軟らかく劈開があるため宝石としての実用性は限られますが、コレクター向けの希少宝石として研磨されることがあります。
What is the hardness of Beryllonite?
Beryllonite has a Mohs hardness of 5.5 to 6.0, making it moderate for use in jewelry.
What color is Beryllonite?
Beryllonite is primarily Various.
How much does Beryllonite cost?
Beryllonite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Beryllonite?
Beryllonite belongs to the Monoclinic crystal system.