Quick Summary
The Tweruna Natural Black Obsidian Stone is a 200 g pack of 5-7 mm stone fragments for decorative filling. It is described as black obsidian gravel with a natural lava-like lustre and rounded edges.
The pack is aimed at decorative uses such as vase filling, succulent planting, small fish tanks, wishing bottles, potted crystal ornaments and similar display work. If the size matters for your container, check the stated 5-7 mm range before choosing an offer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Tweruna, which identifies the product range. |
| Product type | Natural black obsidian stone gravel for decorative filling. |
| Pack size | 200 g, which is the stated quantity in the pack. |
| Stone size | 5-7 mm fragments, useful when matching the fill to a vase, tank or small planter. |
| Appearance | Black with a natural lava-like lustre and rounded edges. |
What to Compare Before Buying
- Pack quantity: The pack contains 200 g. Compare that with the amount needed to cover your container or display.
- Stone size: The stated size is 5-7 mm. Check that this suits the opening and look you want.
- Finish and shape: The stones are described as having a natural lustre and rounded edges. Compare this with the visual finish you want for the arrangement.
- Intended use: It is listed for decorative filling, planting and small tank displays. Make sure that matches your project.
Before You Decide
Confirm the 200 g pack size and 5-7 mm stone range before choosing an offer. Check that the decorative black finish suits the container or display you have in mind. If you need a larger quantity, a different pack size should be considered.












