Based on crown Schenck, Ernest: US Patent 43,724 April 24, 1911.
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 96 1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495 | |
| P1 | 42.50° | 3 91521273339455157636975818793 | |
| P2 | 41.00° | 9612243648607284 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 50.91° | 12366084 | |
| C2 | 45.60° | 222264650707494 | |
| C3 | 45.58° | 420284452687692 | |
| C4 | 44.26° | 618304254667890 | |
| C5 | 42.00° | 96244872 | |
| C6 | 27.81° | 12366084 | |
| C7 | 20.45° | 96244872 | |
| T | 0.00° | 96 |