#89 Stone vs Lava Rock
Side-by-side comparison of #89 Stone and Lava Rock to help you choose the right gravel for your project.
Overview
Small angular crushed stone approximately 3/8 inch and smaller. Similar in size to pea gravel but with angular edges that provide better compaction and stability. A versatile fine aggregate used in both construction and landscaping applications.
Lava rock is a lightweight, porous volcanic stone commonly used in landscaping. Its rough texture helps retain moisture while allowing airflow to plant roots.
Common Uses
#89 Stone
- ✓ Walkways
- ✓ Pipe bedding
- ✓ Asphalt mix
- ✓ Between pavers
- ✓ Top dressing
- ✓ Drainage backfill
Lava Rock
- ✓ Landscaping
- ✓ Garden beds
- ✓ Decorative ground cover
Pros & Cons
#89 Stone
- + Angular edges compact better than rounded pea gravel
- + Small size fills tight spaces
- + Good for pipe bedding and utility trenches
- + Comfortable enough for walkways
- + Excellent drainage
- − Too small for driveway base layers
- − Can migrate without edging
- − Less decorative than pea gravel
- − May be tracked by shoes
- − Not widely stocked at all suppliers
Lava Rock
- + Very lightweight
- + Excellent moisture retention
- + Decorative appearance
- − Breaks down over time
- − Sharp edges
- − Can scatter easily
Cost Comparison
| Measure | #89 Stone | Lava Rock |
|---|---|---|
| Per ton | $22 – $40 | $90 – $150 |
| Per cubic yard | $28 – $50 | $110 – $180 |
Sizes & Colors
#89 Stone
Angular crushed stone pieces 3/8" and smaller. Color varies by quarry — typically gray, blue-gray, or tan. The angular shape distinguishes it from similarly-sized pea gravel.
Lava Rock
Typically 3/4"–1.5" sizes. Red or black.
Published February 11, 2026
Compare prices from local suppliers
Get quotes from gravel suppliers near you to find the best deal.