Cubic Zirconia
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
8.5
Specific Gravity
5.5 – 6.0
Refractive Index
2.15 – 2.182
Crystal System
Isometric
Color
various
Mohs Hardness
| Mohs | Reference mineral | Cubic Zirconia |
|---|---|---|
| 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 Cubic Zirconia
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 Cubic Zirconia
キュービックジルコニアは、酸化ジルコニウム（ZrO₂）の合成宝石で、ダイヤモンドに酷似した外観を持ちます。1976年頃から宝飾市場に登場し、高い屈折率と分散性によりダイヤモンドに匹敵する輝きを示します。低コストで大量生産が可能なため、模擬ダイヤモンドとして広く普及しています。
On this page
Jewelry Use
Durability
9/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Cubic Zirconia?
キュービックジルコニアは、酸化ジルコニウム（ZrO₂）の合成宝石で、ダイヤモンドに酷似した外観を持ちます。1976年頃から宝飾市場に登場し、高い屈折率と分散性によりダイヤモンドに匹敵する輝きを示します。低コストで大量生産が可能なため、模擬ダイヤモンドとして広く普及しています。
What is the hardness of Cubic Zirconia?
Cubic Zirconia has a Mohs hardness of 8.5, making it excellent for use in jewelry.
What color is Cubic Zirconia?
Cubic Zirconia is primarily Various.
How much does Cubic Zirconia cost?
Cubic Zirconia 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 Cubic Zirconia?
Cubic Zirconia belongs to the Isometric crystal system.