Sphenocorona
| 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.