Agate Opal
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.5 – 6.5
Specific Gravity
1.98 – 2.5
Refractive Index
1.37 – 1.52
Crystal System
Amorphous
Cleavage
None
Fracture
Conchoidal,Splintery
Color
white
Pleochroism
Absent
Mohs Hardness
| Mohs | Reference mineral | Agate 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
Budget (< $50/ct)
Where to Buy Agate 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 Agate Opal
玛瑙蛋白石是玛瑙与蛋白石共生的复合宝石，兼具两者的美丽特征。这种独特的矿物组合中，蛋白石填充于玛瑙的空腔或替代部分玛瑙层，创造出变彩与层状纹理交织的迷人效果。这种宝石主要作为收藏标本受到爱好者的青睐。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Agate Opal?
玛瑙蛋白石是玛瑙与蛋白石共生的复合宝石，兼具两者的美丽特征。这种独特的矿物组合中，蛋白石填充于玛瑙的空腔或替代部分玛瑙层，创造出变彩与层状纹理交织的迷人效果。这种宝石主要作为收藏标本受到爱好者的青睐。
What is the hardness of Agate Opal?
Agate Opal has a Mohs hardness of 5.5 to 6.5, making it moderate for use in jewelry.
What color is Agate Opal?
Agate Opal is primarily White.
How much does Agate Opal cost?
Agate Opal falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Agate Opal?
Agate Opal belongs to the Amorphous crystal system.