1. Hom thawj
River Pebbles: Ntuj dej- polished; ntau qhov ntau thiab tsawg; zoo tagnrho rau kev tsim kho kom zoo nkauj
Zaj Pob Zeb(Nanjing tshwj xeeb): cov qauv zoo nkauj; tus nqi kos duab siab
Tshuab-Txiav Cobbles: Uniform qhov ntev; loj- tsim tau
Kab lis kev cai: khaws cov pob zeb strata textures; kev siv architectural
Petrified Ntoo: Fossilized ntoo; khoom khoom
2.Kev faib thoob ntiaj teb
Tuam Tshoj cov chaw tsim khoom loj:
Yangtze River Basin: Paj Pob Zeb (Nanjing/Jiangsu)
Northern China: Siab- hardness tsaus cobbles (Shandong/Liaoning)
Southwest Tuam Tshoj: Ntau yam loj - pob zeb loj (Guizhou/Guangxi)
Rooj: Suav Cobblestone Production Zones
| Thaj tsam | Hom Neeg Sawv Cev | Yam ntxwv | Kev siv thawj zaug |
|---|---|---|---|
| Nanjing/Jiangsu | Zaj paj zeb | Muaj yeeb yuj qauv | Sau, décor |
| Hebei/Taihang Mt. | River Pebble | 96% SiO₂, siab hardness | Kev tsim kho, lim |
| Guizhou/Guangxi | Loj Cobblestone | Cov ntawv loj tshwj xeeb | Landscaping qhov chaw |
| Shandong / Liaoning | River Pebble | Cov xim sib sib zog nqus, siab -resistant | Paving, architectural décor |