M E N U « Home | Browse Minerals | QuizzesMinerals by letter: All | K | G | O | A | H | T | P | C | Q | N | Z | S | E | W | M | B | F | D | L Minerals by class: Silicates | Halides | Carbonates | Sulfates | Oxides | Phosphates | Hydroxides | Native elements | Sulfides Silicate Subclasses: Nesosilicates | Pyroxenes | Amphiboles | Frameworks | Sorosilicates | Cyclosilicates | Phyllosilicates    « Back to mineral listing K A O L I N I T E Click for expanded view KaoliniteAl2Si2O5(OH)4 Class: Silicate Subclass: Phyllosilicate Hardness: 2 - 2.5 Density: 2.6 Streak: White Lustre: Earthy Habit: Fine-grained aggregate, powdery. Colours: White    Crystal System: Triclinic Cleavage: Perfect basal Fracture: Uneven Magnetism: None 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.    Inaccurate data? Better photos? .

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