Derive soil texture classes with USDA scheme from sand, silt and clay contents.
1 - Clay
2 - Silty Clay
3 - Silty Clay-Loam
4 - Sandy Clay
5 - Sandy Clay-Loam
6 - Clay-Loam
7 - Silt
8 - Silt-Loam
9 - Loam
10 - Sand
11 - Loamy Sand
12 - Sandy Loam
Reference:
USDA NRCS Soils Website