"Staround"

Fred W. Van Sant

Angles are for corundum.
Index settings are for an 80 tooth gear.
Preform should be perfectly round with rolled edges.

Crown

Cut 10 facets at 37°:, index
4, 12, 20, 28, 36, 44, 52, 60, 68, 76.
Cut 10 facets at 10°:, index
4, 12, 20, 28, 36, 44, 52, 60, 68, 76.
Cut 5 facets at approximately 7°:
, index 16, 32, 48, 64, 80.
Cut 1 facet at 0°:.
The shaded facets (set 4) may be
left unpolished, or "frosted" to
better define the star.
For a higher crown and a smaller
table, cut set 2 at 38°:.
Pavilion

Cut 20 facets at 41°:, index
2, 6, 10, 14, 18, 22, 26, 30,34, 38,
42, 46, 50, 54, 58, 62, 66, 70, 74, 78.
Cut 10 facets at 40.5°:, index
8, 16, 24, 32, 40, 48, 56, 64, 72, 80.
Cut these in the order listed.


Crown Cut 10 facets at 37°:, index 4, 12, 20, 28, 36, 44, 52, 60, 68, 76. Cut 10 facets at 10°:, index 4, 12, 20, 28, 36, 44, 52, 60, 68, 76. Cut 5 facets at approximately 7°: , index 16, 32, 48, 64, 80. Cut 1 facet at 0°:. The shaded facets (set 4) may be left unpolished, or "frosted" to better define the star. For a higher crown and a smaller table, cut set 2 at 38°:.	Pavilion Cut 20 facets at 41°:, index 2, 6, 10, 14, 18, 22, 26, 30,34, 38, 42, 46, 50, 54, 58, 62, 66, 70, 74, 78. Cut 10 facets at 40.5°:, index 8, 16, 24, 32, 40, 48, 56, 64, 72, 80. Cut these in the order listed.