The shell grows to a length of 14½ mm, its diameter 10½ mm. The covered perforate shell has a short-conical shape. It is bluish-black or purplishblack, the
apex worn white. The 5 to 6
whorls are slightly convex. Their
sculpture contains 7 to 8 spiral striae and incremental lines. The
body whorl is obtusely angular at the periphery, rather convex beneath, slightly impressed in the region of the
umbilicus. The lightly grooved
aperture is subcircular-quadrate and iridescent within. The
lip is within a trifle thickened. It is whitish and narrowly edged with black. The thickened
columella is slightly arcuate and covers the perforation. ==Distribution==