- Struvite crystals (magnesium ammonium phosphate, triple phosphate) usually appear as colorless, 3-dimensional, prism-like crystals (“coffin lids”). Occasionally, they instead resemble (vaguely) an old-fashioned double-edged razor blade (lower frame).
- urinary tract infection with urease-positive bacteria can promote struvite crystalluria (and urolithiasis) by raising urine pH and increasing free ammonia.
Struvite crystals (magnesium ammonium phosphate, triple phosphate)
Struvite crystals
Struvite (magnesium ammonium phosphate) crystals
Struvite Crystals in Urine
