Indonesian Copper Tube Agate Cabochons

Indonesian Copper Tube Agate Cabochons

These striking Indonesian Copper Tube Agate cabochons showcase one of nature’s most fascinating geological patterns—distinct tubular formations that resemble tiny copper pipes frozen in stone. Each cabochon features intricate networks of circular and elongated “tube” structures, often highlighted in warm earthy tones of rust, tan, cream, and deep brown.

Formed through unique mineral deposition processes within volcanic host rock, these agates are prized for their rare structure and bold visual texture. No two pieces are alike, making each cabochon a true one-of-a-kind addition to any collection or jewelry design.

Expertly shaped and polished, these cabochons bring out the depth and contrast of the natural patterning while maintaining a smooth, high-gloss finish ideal for wire wrapping, bezel setting, or display.

Details:

• Material: Indonesian Copper Tube Agate
• Mohs Hardness: ~6.5–7
• Finish: High polish
• Shape: Freeform / Oval (varies by piece)
• Pattern: Natural tubular formations with earthy color contrasts

Why You’ll Love It:

• Rare and highly collectible agate variety
• Unique “tube” patterns not found in typical agates
• Excellent for statement jewelry or artisan pieces
• Each cabochon is completely one-of-a-kind

Please Note:

• All cabochons are shaped and polished from carefully selected rough
• Measurements are taken at the widest points
• Natural stones may contain fractures, pits, or inclusions that add to their character

Perfect for lapidary artists, wire wrappers, and collectors looking for something truly different—these Indonesian Copper Tube Agates are conversation starters the moment they’re set.