Taaffeite (Magnesiotaaffeite)
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
8.0 – 8.5
Specific Gravity
3.6 – 3.62
Refractive Index
1.716 – 1.73
Crystal System
Hexagonal
Luster
Vitreous
Fracture
Conchoidal
Color
various
Birefringence
0.004
Dispersion
0.02
Pleochroism
Weak
Mohs Hardness
| Mohs | Reference mineral | Taaffeite (Magnesiotaaffeite) |
|---|---|---|
| 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
Fine ($500-5,000/ct)
Where to Buy Taaffeite (Magnesiotaaffeite)
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 Taaffeite (Magnesiotaaffeite)
タアフェアイトは世界で最も稀少な宝石のひとつで、ベリリウム‐マグネシウム‐アルミニウム酸化物鉱物として、淡いマーブからラベンダー、薄紅色を呈します。1945年にリチャード・タアフェ伯爵がダブリンのアンティークショップで購入した加工済みのスピネルの中から偶然発見し、新種と同定した宝石学上のユニークな逸話を持ちます。スリランカとタンザニアが主要産地ですが、宝石品質のものは年間数十石しか流通しないと言われています。
On this page
Jewelry Use
Durability
9/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Taaffeite (Magnesiotaaffeite)?
タアフェアイトは世界で最も稀少な宝石のひとつで、ベリリウム‐マグネシウム‐アルミニウム酸化物鉱物として、淡いマーブからラベンダー、薄紅色を呈します。1945年にリチャード・タアフェ伯爵がダブリンのアンティークショップで購入した加工済みのスピネルの中から偶然発見し、新種と同定した宝石学上のユニークな逸話を持ちます。スリランカとタンザニアが主要産地ですが、宝石品質のものは年間数十石しか流通しないと言われています。
What is the hardness of Taaffeite (Magnesiotaaffeite)?
Taaffeite (Magnesiotaaffeite) has a Mohs hardness of 8.0 to 8.5, making it excellent for use in jewelry.
What color is Taaffeite (Magnesiotaaffeite)?
Taaffeite (Magnesiotaaffeite) is primarily Various.
How much does Taaffeite (Magnesiotaaffeite) cost?
Taaffeite (Magnesiotaaffeite) falls into the Fine ($500-5,000/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Taaffeite (Magnesiotaaffeite)?
Taaffeite (Magnesiotaaffeite) belongs to the Hexagonal crystal system.