[Kidney Stone type] Calcium phosphate [Population] 5–10% [Circumstances] when urine is alkaline (high pH) [Sensitivity] Radio-opaque [Details] Tends to grow in alkaline urine especially when proteus are present. [Color] 
Dirty white
B l a c k / D a r k b r o w n
D i r t y w h i t e
Y e l l o w / R e d d i s h b r o w n
P i n k / Y e l l o w
B r i c k r e d