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
锐钛矿是二氧化钛的三种矿物多形体之一，以其极高的折射率和金刚光泽而著称。这种矿物通常形成于变质岩和沉积岩中，呈锥形或板状晶体，色彩从蓝灰色到黑色不等。宝石级锐钛矿极为稀少，主要以矿物标本形式受到收藏，分色散效果超过钻石，是研究宝石光学性质的重要参考矿物。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Anatase?
锐钛矿是二氧化钛的三种矿物多形体之一，以其极高的折射率和金刚光泽而著称。这种矿物通常形成于变质岩和沉积岩中，呈锥形或板状晶体，色彩从蓝灰色到黑色不等。宝石级锐钛矿极为稀少，主要以矿物标本形式受到收藏，分色散效果超过钻石，是研究宝石光学性质的重要参考矿物。
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.