![](https://lms.su.edu.pk/storage/uploads/1587047501-types-of-soil-colloids-image.jpg)
Week 1: Types of soil colloids
Soil Colloids- Types
- Crystalline silicate clays (Phylosilicates→ tetrahedral and octahedral crystal sheets)
- Non-crystalline silicate clays [Dominantly amorphous clays (allophane and imogolite)]
- Iron and aluminium oxides [Dominantly gibbsite (Al-oxide) and goethite (Fe-oxide)]
- Humus or organic colloids