Fire Opal
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 6.5
Specific Gravity
1.97 – 2.22
Refractive Index
1.37 – 1.47
Crystal System
Amorphous
Luster
Vitreous
Cleavage
None
Fracture
Conchoidal,Splintery
Color
white
Pleochroism
Absent
Mohs Hardness
| Mohs | Reference mineral | Fire Opal |
|---|---|---|
| 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 Fire Opal
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 Fire Opal
火蛋白石是蛋白石的一种以鲜艳橙色、黄色或红色为主体颜色的变体，颜色如火焰般热烈。与普通蛋白石不同，火蛋白石可以呈现变彩（游彩），也可以没有变彩效果，但其迷人的体色本身即为其最大魅力。透明至半透明的火蛋白石可被切磨成刻面宝石，光泽明亮。墨西哥是火蛋白石最重要的产地，当地出产的'墨西哥火蛋白石'享誉宝石界。
On this page
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Fire Opal?
火蛋白石是蛋白石的一种以鲜艳橙色、黄色或红色为主体颜色的变体，颜色如火焰般热烈。与普通蛋白石不同，火蛋白石可以呈现变彩（游彩），也可以没有变彩效果，但其迷人的体色本身即为其最大魅力。透明至半透明的火蛋白石可被切磨成刻面宝石，光泽明亮。墨西哥是火蛋白石最重要的产地，当地出产的'墨西哥火蛋白石'享誉宝石界。
What is the hardness of Fire Opal?
Fire Opal has a Mohs hardness of 6.0 to 6.5, making it moderate for use in jewelry.
What color is Fire Opal?
Fire Opal is primarily White.
How much does Fire Opal cost?
Fire Opal falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Fire Opal?
Fire Opal belongs to the Amorphous crystal system.