## Common ground
All options are types of mosaic cubes based on their material composition.
## Options at a glance
**6802.10 – Building stone**
- **Defining trait:** Made from natural stone used in construction or monumental work.
- **Typical examples:** Granite, marble, limestone tiles for outdoor or architectural mosaics.
- **Best fit when:** The cubes are large, durable, and intended for structural or permanent installations.
**6907.30 – Ceramic**
- **Defining trait:** Made from fired clay, often glazed, with high color variety and durability.
- **Typical examples:** Glazed ceramic tiles used in bathrooms, pools, or artistic mosaics.
- **Best fit when:** The cubes are colorful, lightweight, and used in decorative or indoor applications.
**7016.10 – Glass**
- **Defining trait:** Made from transparent or colored glass, often with reflective or shiny surfaces.
- **Typical examples:** Decorative glass tiles for art installations, mirrors, or luxury interiors.
- **Best fit when:** The cubes are shiny, translucent, or used for visual effects and light reflection.
## Key differences
| Feature | 6802.10 (Stone) | 6907.30 (Ceramic) | 7016.10 (Glass) |
|------------------|------------------|--------------------|------------------|
| Material | Natural rock | Fired clay | Melted glass |
| Surface | Matte, rough | Glazed, smooth | Shiny, reflective|
| Durability | Very high | High | Moderate (fragile)|
| Common use | Outdoor, structural | Indoor, decorative | Artistic, lighting |
## How to choose
- Is the cube made from natural rock like marble or granite? → 6802.10
- Is it glazed clay, often colorful and used indoors? → 6907.30
- Is it shiny, transparent, or reflective? → 7016.10
## Overlaps & pitfalls
A mosaic cube could be made of ceramic with a glass-like glaze, blurring the line between 6907.30 and 7016.10. Similarly, some stone cubes may be polished to look glassy. If unsure, prioritize the **primary material**: if it's rock, use 6802.10; if clay, 6907.30; if glass, 7016.10. No option is inherently more important—choose based on the dominant material