| Sphenocorona | |
|---|---|
 | |
| Type | Johnson J85 – J86 – J87 |
| Faces | 12 triangles 2 squares |
| Edges | 22 |
| Vertices | 10 |
| Vertex configuration | 4(33.4) 2(32.42) 2x2(35) |
| Symmetry group | C2v |
| Dual polyhedron | - |
| Properties | convex, elementary |
| Net | |
 | |
In geometry, the sphenocorona is a Johnson solid with 12 equilateral triangles and 2 squares as its faces.