Johnson Solids (Page 5)

(box: x-ray)  (F: faces)  (slider: perspective)  (image: L=rotate R=zoom)  (M: metrics)

(J86) Sphenocorona
Vertices:  10  ({4 + 2}[4] + {2 * 2}[5])
Faces:14  ({4 * 2 + 2 * 2} equilateral triangles + 2 squares)
Edges:22
Symmetry:  2-fold Pyramidal  (C2v)
(values below based on edge length = 1)
Volume:sqrt(2*(2+3*sqrt(6)    
    +2*sqrt(13+3*sqrt(6))))/4    
≈1.5153516399764065597