Open18.012 Thunder & Lightning
Capps, Jerry; American Gemcutter, May 1996, p29; L/W=1.012 H/W=0.485 Vol/W³=0.129 96 index 39+7 facets

Open18.013 Sphene #1
Finlayson, Jim; UKFCG Faceters' Stonechat, May 1998; L/W=1.000 H/W=0.595 Vol/W³=0.169 96 index 46+5 facets

18.014 Simple Kite
Janstrom, Thomas; Facets Aug 2015 p14; L/W=1.155 H/W=0.473 Vol/W³=0.116 96 index 17+4 facets

Open18.015 SMALL ECED KITE
Long, Robert H.; Unpublished; L/W=1.299 H/W=0.737 Vol/W³=0.251 96 index 21+5 facets Another triple bounce design for small rough

Open18.016 BRITE KITE
Long, Robert H.; Unpublished; L/W=1.098 H/W=0.584 Vol/W³=0.153 96 index 28+5 facets Very sparkly

19.001 Keystone (Step)
Vargas, Glenn & Martha; Diagrams for Faceting v1 (1975) p117; L/W=1.190 H/W=0.600 Vol/W³=0.345 32 index 25+4 facets

19.001A Keystone (Step)
Soukup, Edward J; Facet Cutters Handbook (1962) p47; L/W=1.205 H/W=0.600 Vol/W³=0.345 96 index 25+4 facets

19.002 Keystone (Cardinal)
Soukup, Edward J; Gems & Minerals, Oct 1956, p60; L/W=1.560 H/W=0.730 Vol/W³=0.381 96 index 25+4 facets

Open19.003 Keystone Variation
Steele, Norman W; Seattle F Design, Jun 1970; L/W=1.062 H/W=0.570 Vol/W³=0.164 96 index 17+4 facets

19.004 Step Keystone
Vargas, Glenn & Martha; Diagrams for Faceting v1 (1975) p117; L/W=1.000 H/W=0.754 Vol/W³=0.304 96 index 25+4 facets

Open19.005 Split Facet Taper #1
Watermeyer, Basil; Diamond Cutting, 4th Ed. (1991) p334; L/W=1.667 H/W=0.977 Vol/W³=0.627 96 index 49+4 facets

Open19.006 Split Facet Taper #2
Watermeyer, Basil; Diamond Cutting, 4th Ed. (1991) p334; L/W=1.667 H/W=1.101 Vol/W³=0.719 96 index 45+4 facets

Open19.007 Standard Tapered Barion
Watermeyer, Basil; Diamond Cutting, 4th Ed. (1991) p334; L/W=1.667 H/W=1.022 Vol/W³=0.693 96 index 46+5 facets

Open19.008 Standard Keystone Barion
Watermeyer, Basil (diagram); Diamond Cutting, 4th Ed. (1991) p335; L/W=1.08 H/W=0.782 Vol/W³=0.347 96 index 53+4 facets

19.009 FVS-62 Bola
Van Sant, Fred W; Gems & Minerals, Sep 1984, p22; L/W=1.375 H/W=0.649 Vol/W³=0.359 96 index 49+6 facets Same as 44.029

20.001 Half Moon
Pocklington, R L; Lapidary Journal, Nov 1975, p1474; L/W=2.630 H/W=0.973 Vol/W³=0.866 96 index 35+9 facets

20.002 Waxing Gibbous
Romack, Ed; Facets, Jun 1976, n17p6; L/W=1.504 H/W=1.019 Vol/W³=0.707 96 index 60+11 facets

20.003 Seminavette
Bruton, E; Diamonds 2nd Ed. (1978) p222 (diag only); L/W=1.500 H/W=0.755 Vol/W³=0.272 96 index 44+9 facets

Open20.004 Semi-Navette Brilliant
Reinikka, M A & Long, R H; Facets, Sep 1979, n56p3; L/W=1.077 H/W=0.697 Vol/W³=0.241 96 index 44+9 facets

20.005 Demi Marquise
McCawley, Elton; Facets, Apr 1987, p9; L/W=1.058 H/W=0.707 Vol/W³=0.211 96 index 38+11 facets