Copal
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Physical & Optical Properties
Category
Organic Gems
Mohs Hardness
2.0 – 3.0
Specific Gravity
1.05 – 1.1
Refractive Index
1.539 – 1.545
Crystal System
Amorphous
Color
white
Mohs Hardness
| Mohs | Reference mineral | Copal |
|---|---|---|
| 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 Copal
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About Copal
柯巴脂是年轻的树脂化石，与完全矿化的琥珀相比，其地质年龄较短（通常数百至数千年），化学稳定性也相对较低。来自非洲东部（特别是马达加斯加、坦桑尼亚）和南美洲的柯巴脂常在市场上被冒充琥珀出售。鉴别方法包括溶剂测试和荧光检验，真正的琥珀不溶于有机溶剂，而柯巴脂则会受到侵蚀。
On this page
Jewelry Use
Durability
1/10
Science FYI Family
Frequently Asked Questions
What is Copal?
柯巴脂是年轻的树脂化石，与完全矿化的琥珀相比，其地质年龄较短（通常数百至数千年），化学稳定性也相对较低。来自非洲东部（特别是马达加斯加、坦桑尼亚）和南美洲的柯巴脂常在市场上被冒充琥珀出售。鉴别方法包括溶剂测试和荧光检验，真正的琥珀不溶于有机溶剂，而柯巴脂则会受到侵蚀。
What is the hardness of Copal?
Copal has a Mohs hardness of 2.0 to 3.0, making it relatively soft for use in jewelry.
What color is Copal?
Copal is primarily White.
How much does Copal cost?
Copal falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Copal?
Copal belongs to the Amorphous crystal system.