1 Unit of Display- 7ML Glass Vials (2-3/8", Outer Diameter: 5/8")

These 7ML glass vials feature leak-resistant construction with secure black plastic xxxx caps, making them perfect for preserving gold flakes, small nuggets, and other prospecting finds. The clear transparent glass allows you to easily display and examine your specimens without opening the vial, while the compact 2-3/8" size fits perfectly in field gear. For more gold prospecting storage solutions, check out our complete selection of prospecting equipment.

Yes, these vials are excellent for storing black sand concentrates, small artifacts, and other samples from your metal detecting adventures. The 7ML capacity (0.24 fluid oz) is perfect for small but valuable finds, and the solid glass construction ensures your samples stay secure and uncontaminated. The clear glass also makes it easy to catalog and reference your finds later without disturbing the contents.

Glass itself is not detectable by metal detectors, but the black plastic xxxx cap may contain trace amounts of conductive materials that could potentially trigger a signal on sensitive machines. To avoid losing vials in the field, consider attaching them to your gear or storing them in a secure container. If you're concerned about detection, our team at Serious Detecting can provide personalized recommendations for field storage solutions.

The 7ML size strikes an ideal balance for most treasure hunting applications - large enough to showcase small coins, jewelry pieces, or a good collection of gold flakes, yet compact enough for easy storage and transport. The 2-3/8" height and 5/8" diameter make them perfect for display cases or field kits without taking up excessive space. For a complete range of storage and display options, explore our full collection of TerraX products.