Sphenocorona
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| Sphenocorona | |
|---|---|
 |
|
| Type | Johnson J85 - J86 - J87 |
| Faces | 12 triangles 2 squares |
| Edges | 22 |
| Vertices | 10 |
| Vertex configuration | 4 x 35 4 x 33.4 2 x 32.42 |
| Symmetry group | C2v |
| Dual | - |
| Properties | convex |
In geometry, the Sphenocorona is one of the Johnson solids (J86).
It is one of the elementary Johnson solids that do not arise from "cut and paste" manipulations of the Platonic and Archimedean solids.
The 92 Johnson solids were named and described by Norman Johnson in 1966.
