Boracite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
7.0 – 7.5
Specific Gravity
2.95 – 2.96
Refractive Index
1.658 – 1.673
Crystal System
Orthorhombic
Cleavage
Poor
Fracture
Conchoidal
Color
various
Birefringence
0.01
Pleochroism
Nil
Mohs Hardness
| Mohs | Reference mineral | Boracite |
|---|---|---|
| 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 Boracite
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 Boracite
ボラサイトは、蒸発岩中に無色・白色・淡緑色の小さな鋭い擬立方体結晶を形成するマグネシウムホウ酸塩鉱物です。ドイツのルネブルクが古典的産地として知られ、弱い圧電性と焦電性を示します。宝石用途は非常に限られますが、コレクション価値の高い希少標本です。
On this page
Jewelry Use
Durability
7/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Boracite?
ボラサイトは、蒸発岩中に無色・白色・淡緑色の小さな鋭い擬立方体結晶を形成するマグネシウムホウ酸塩鉱物です。ドイツのルネブルクが古典的産地として知られ、弱い圧電性と焦電性を示します。宝石用途は非常に限られますが、コレクション価値の高い希少標本です。
What is the hardness of Boracite?
Boracite has a Mohs hardness of 7.0 to 7.5, making it excellent for use in jewelry.
What color is Boracite?
Boracite is primarily Various.
How much does Boracite cost?
Boracite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Boracite?
Boracite belongs to the Orthorhombic crystal system.