Yellow-brown crystal and is rhombic/4-sided/rosette

Solubility of Uric Acid

Brick dust or Yellow-brown granules

Solubility of Amorphous urates

Colorless crystals ; envelopes, oval, dumbbel, octahedral in shape

Solubility of Calcium Oxalate

White - Colorless Granules ; Granular / White ppt.

Solubility of Amorphous phosphates

Colorless ; flat rectangular plates/thin prims often in rosette formation

Solubility of Calcium Phosphates

Colorless ; Prism shaped known as "coffin lids"

Solubility of Triple Phosphates

Yellow-Brown ; Spicule- covered sphres known as "thorny apples"

Solubility of Ammonium Biurate

Clorless ; Dumbbels or Sphericals

Solubility of Calcium Carbonate

Colorless ; Hexagonal plate

Metabolic Disorder of Renal Tubules

Confirmation test for Cystinuria

Solubility of Cystine

Colorless nothced plated seen in refrigerated specimen

Disease where cholesterol is present in urine

Solubility of Cholesterol Crystal

Yellow clumped needles or granules ; present in hepatic disorder

Solubility of Bilirubin Crystals

Cololess ; Cholesterol crystal-like

Solubility of Radiographic Dye Crystals

Yellow-Brown Spheres ; Crystal associated with Liver Diorder

Solubility of Leucine Crystals

Colorless - Yellow Fine Needle ; may seen in inherited disorders of amino acid metabolism

Solubility of Tyrosine

Colorless to Yellow - Brown ; Needles, rhombics, whetstones ; Seen in inadequate patient hydration

Solubility of Sulfonamides Crystals

Colorless needles from refrigeration ; Seen in massive dosage of penicillin

Solubility of Ampicillin Crystals

Resemble Fat droples when polarized ; Dimpled center

From OIO Contamination; Highly refractile may resemble RBC

Occur when the specimen is placed under a cover slip

Concentric circleswith cell walls

Mistaken for casts and usually much longer and more refractile

Presence of fistula and appear as plant and meat fibers