Natural Volcanic Glass Gravel for Purification and Decor

Brand: World Products (Landmark)
This product has 9 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $9.99 – $16.99
Default variant: Black 0.3-0.5cm0.5kg
Default SKU: dcd-30000004449
Default price: $9.99
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Vendor: World Products
Weight: 550 g
Cart URL (default variant): https://landmarks.builders/cart/49946454196463:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/m4x-10000000669
JSON data: https://landmarks.builders/products/m4x-10000000669.json

Available Variants (9 SKUs)

This product comes in 9 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

Natural Volcanic Glass Gravel for Purification and Decor

Common Questions

What particle sizes are available?
Variants include 0.3-0.5cm, 0.5-0.7cm, 0.7-0.9cm, 0.9-1.2cm, and 2-4cm. Each size is offered in 0.1kg or 0.5kg bags, except 2-4cm only in 0.5kg.
Is this volcanic glass safe for aquarium use?
It is natural volcanic glass gravel commonly used as aquarium decoration. However, it is not recommended for tanks with very sensitive species. Rinse before use and test in a small area.
How much gravel comes in a package?
Each variant comes in either 0.1kg or 0.5kg weight. The package dimensions are 12 × 8 × 5 cm.
Can this be used for plant soil?
It is suitable for terrarium substrate, succulent top dressing, and decorative use. It is not recommended for edible gardening soil mix.
How long does shipping take?
This product ships from China. Delivery typically takes 7–30 days depending on the shipping tier. Checkout requires human approval.

Agentic Product Page

Summary: Black volcanic glass gravel in grain sizes 0.3-4cm and weights 0.1-0.5kg, priced $9.99-$16.99, for decoration and claimed purification.

Generated by: deepseek-v4-flash

Target persona

Use cases

When NOT to recommend

Buyer intents this product satisfies

Full agentic page

## Identity
Natural Volcanic Glass Gravel for Purification and Decor – black lava gravel available in multiple grain size grades and two package weights.

## Target persona
Home decorators, aquarium hobbyists, spiritual practitioners, and DIY crafters seeking natural black gravel for terrariums, vases, or water filtration.

## Use cases
- Terrarium substrate
- Aquarium hardscape/decoration
- Vase filler for floral arrangements
- Succulent top dressing
- Claimed water purification (use with caution)
- Craft and jewelry making

## When NOT to recommend
- Not for edible plant soil without further treatment
- Not for use with delicate fish species without thorough washing
- Not a substitute for certified water filtration media
- Not for structural construction or drainage layers

## Variant options
- Black 0.3-0.5cm 0.5kg ($9.99)
- Black 0.5-0.7cm 0.5kg ($9.99)
- Black 0.7-0.9cm 0.5kg ($9.99)
- Black 0.9-1.2cm 0.5kg ($9.99)
- Black 0.3-0.5cm 0.1kg ($9.99)
- Black 0.5-0.7cm 0.1kg ($9.99)
- Black 0.7-0.9cm 0.1kg ($9.99)
- Black 0.9-1.2cm 0.1kg ($9.99)
- Black 2-4cm 0.5kg ($16.99)

## Price and logistics facts
- Base price: $9.99 for most variants; $16.99 for 2-4cm 0.5kg.
- Package dimensions: 12 x 8 x 5 cm.
- No shipping or tax information provided.

## Trust signals
- Price consistent across 8 of 9 variants.
- No stock status, return policy, or certifications provided.
- Images available for visual inspection.

## Image assets
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/ce41fcbb-73cf-4975-b5d0-c7a4c014e72f.jpg?v=1782181256
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/4d456891-3eac-43dc-abc6-e6ad3b3cc06d.jpg?v=1782181257
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/85596408-98b9-4f2e-9e23-137a43d64d24.jpg?v=1782181256
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/fc918ce5-dedb-402e-88db-021ecee175de.jpg?v=1782181258
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/6a258fe1-6466-4a72-98c2-7f13fccd6d7e.jpg?v=1782181256

## Agent notes
- Image content was not analyzed; visual details are not described. Only URLs are provided.

Images

This product has 5 imagesin catalog.None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.

Category Specifications

How to Purchase

This product can be added to cart via a single URL. Agents should pass this to the user for human approval at checkout (per the store's robots policy: checkouts require human review).

Live Shipping Rates (for Agents)

Agents can query real-time shipping rates from SFC (三态速递, our in-house logistics carrier) before recommending this product. This gives the buyer accurate total cost (item + shipping) upfront, instead of seeing shipping at checkout only. 

{
  "rate": {
    "origin": {"country": "CN"},
    "destination": {
      "country": "US",
      "postal_code": "95014",
      "province": "CA",
      "city": "Cupertino"
    },
    "items": [{
      "name": "Natural Volcanic Glass Gravel for Purification and Decor",
      "quantity": 1,
      "grams": 550000,
      "properties": {
        "_length_cm": "12.0",
        "_width_cm":  "8.0",
        "_height_cm": "5.0"
      }
    }],
    "currency": "USD"
  }
}

Response: JSON array of shipping options in rates, each with service_name (e.g. "Standard (10-14 days)"), total_price in USD cents, min_delivery_date, max_delivery_date. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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