Anatase
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.5 – 6.0
Specific Gravity
3.82 – 3.97
Refractive Index
2.488 – 2.562
Crystal System
Tetragonal
Fracture
Sub-Conchoidal
Color
various
Birefringence
0.073
Pleochroism
Orange/brown stones - distinct: yellow - orange
Mohs Hardness
| Mohs | Reference mineral | Anatase |
|---|---|---|
| 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 Anatase
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 Anatase
アナテースは、インディゴブルー・褐色・淡黄色の双錐状結晶を形成する、高光沢の稀少な二酸化チタン鉱物です。金属光沢に近い強い光沢と高い屈折率を持ち、透明な結晶は宝石としてカットされることがあります。アルプスやグリーンランドのペグマタイトに産出し、ルチル・ブルッカイトと同質異像の関係にあります。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Anatase?
アナテースは、インディゴブルー・褐色・淡黄色の双錐状結晶を形成する、高光沢の稀少な二酸化チタン鉱物です。金属光沢に近い強い光沢と高い屈折率を持ち、透明な結晶は宝石としてカットされることがあります。アルプスやグリーンランドのペグマタイトに産出し、ルチル・ブルッカイトと同質異像の関係にあります。
What is the hardness of Anatase?
Anatase has a Mohs hardness of 5.5 to 6.0, making it moderate for use in jewelry.
What color is Anatase?
Anatase is primarily Various.
How much does Anatase cost?
Anatase falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Anatase?
Anatase belongs to the Tetragonal crystal system.