Introduction

Clinical interest
Causes of crystal formation
Crystal structure

Calcium oxalate

Weddelite: calcium oxalate 2(H2O)
Whewellite: calcium oxalate (H2O)

Uric acid and urate

Phosphate

Amorphous phosphate
Triple phosphate

Rare crystals

In acid urine
In alkaline urine

Drug related crystalluria

Confirmation tests for

Cystine
Hemosiderine
Sulfamide