Copal is a semi-fossilized tree resin that is significantly younger than amber, often displaying a sticky surface when touched with a solvent like acetone. Collectors look for unique insect or botanical inclusions, though the material is much softer and more soluble than true amber. It is typically found in recent geological deposits rather than ancient fossil beds.
Hardness
1.5-2.5
Mohs
Luster
Resinous
Streak
White
Transparency
Transparent
Is this copal?
5-step field checkRun through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.
- 1Test the hardnessTry to scratch copal with a known reference. Copal sits at Mohs 1.5-2.5, softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Copal leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Copal typically shows a resinous luster.
- 4Match the color rangeCompare against the expected color range: yellow, orange, brown, pale yellow.
- 5Look at form & habitTypical habit: amorphous.
Often confused with
Copal vs. its common look-alikes, and how to tell them apart in the field.
All properties
- Mohs hardness
- 1.5-2.5
- Density
- 1.0-1.1 g/cm³
- Streak
- White
- Luster
- Resinous
- Transparency
- Transparent
- Crystal habit
- Amorphous
- Cleavage
- None
- Fluorescence
- Blue to White Under UV
- Rarity
- Common
- Uses
- Collector, Decorative, Lapidary
- Host rock
- Sedimentary Deposits
- Typical price
- $5-50 depending on inclusion size and clarity
Where rockhounds find copal
Classic worldwide localities
- Colombia
- Madagascar
- Dominican Republic
- East Africa
Field-hunting tip
Look in sedimentary deposits country, the host setting where copal typically forms. Field specimens usually show a amorphous habit, so train your eye for that shape before scanning the outcrop.
Common questions
How do you identify copal?+
Mohs hardness is 1.5-2.5. It typically shows a resinous luster. The streak is white. Common colors include yellow, orange, brown, pale yellow.
Where is copal found?+
Notable localities include Colombia; Madagascar; Dominican Republic; East Africa.
How much is copal worth?+
Typical asking prices fall in the range of $5-50 depending on inclusion size and clarity. Quality, size, and provenance can move individual specimens well outside that range.
What rocks look like copal?+
Copal is most often confused with Amber. A quick hardness test and a streak check separate the look-alikes faster than color alone.
What kind of rock does copal form in?+
Copal typically forms in sedimentary deposits. Working float back to the host body is the standard way to chase a fresh occurrence.
What is copal used for?+
Copal is used in collector, decorative, lapidary.

