Hardness: 2 - 2.5
Habit: Fine-grained aggregate, powdery.
| ||Crystal System: Triclinic|
Cleavage: Perfect basal
Reaction with HCl: Unknown
Identification in hand sample:
Distinctive "clayey" smell, hardness and colour are indicative.
Industrial / ecomonic uses:
Paper coating/filler, drilling mud additive, ceramics, cosmetics, building supplies, cement, pharmaceuticals and even food.