21.066 Waterwheel
Hardy, Lyle D; Gems & Minerals, Nov 1980, p22; L/W=1.000 H/W=0.559 Vol/W³=0.238 64 index 57+8 facets

Open21.067 Castor (Crn A / Pav M)
Strout, Edith B; Lapidary Journal, Nov 1980, p1761; L/W=1.000 H/W=0.638 Vol/W³=0.207 96 index 53+8 facets

Open21.068 Castor [Crn A]
Strout, Edith B; Lapidary Journal, Nov 1980, p1760; L/W=1.000 H/W=0.762 Vol/W³=0.259 96 index 57+8 facets

Open21.069 Pollux (Crn A / Pav M)
Strout, Edith B; Lapidary Journal, Nov 1980, p1761; L/W=1.000 H/W=0.645 Vol/W³=0.216 96 index 57+8 facets

Open21.070 Pollux [Crn B]
Strout, Edith B; Lapidary Journal, Nov 1980, p1760; L/W=1.000 H/W=0.772 Vol/W³=0.269 96 index 61+8 facets

Open21.071 Geminorum D-P
Strout, Edith B; Lapidary Journal, Nov 1980, p1763; L/W=1.000 H/W=0.768 Vol/W³=0.236 96 index 64+8 facets Crown D/Pavilion P

Open21.072 Geminorum [Crown D]
Strout, Edith B; Lapidary Journal, Nov 1980, p1763; L/W=1.000 H/W=0.718 Vol/W³=0.217 96 index 60+8 facets

Open21.073 Geminorum [Pavilion O]
Strout, Edith B; Lapidary Journal, Nov 1980, p1762; L/W=1.000 H/W=0.751 Vol/W³=0.244 96 index 68+8 facets

Open21.074 Twin Crown C
Strout, Edith B; Lapidary Journal, Nov 1980, p1762; L/W=1.000 H/W=0.820 Vol/W³=0.282 96 index 64+8 facets

Open21.075 Castor
Strout, Edith B; Lapidary Journal, Nov 1980, p1763; L/W=1.000 H/W=0.675 Vol/W³=0.235 96 index 61+8 facets

Open21.075A Castor P - Geminorum P
Strout, Edith B; Lapidary Journal, Nov 1980, p1760; L/W=1.000 H/W=0.672 Vol/W³=0.218 96 index 64+8 facets

Open21.076 Twin (CrnC/Pav O)
Strout, Edith B; Lapidary Journal, Nov 1980, p1762; L/W=1.000 H/W=0.721 Vol/W³=0.253 96 index 69+8 facets

Open21.077 Twin (CrnC / Pav P)
Strout, Edith B; Lapidary Journal, Nov 1980, p1762; L/W=1.000 H/W=0.693 Vol/W³=0.230 96 index 61+8 facets

21.078 Skylab
Peters, E J; Gems & Minerals, Feb 1981, p38; L/W=1.000 H/W=0.612 Vol/W³=0.243 64 index 73+8 facets

21.079 Box Kite
Larson, Henry E; Gems & Minerals, Apr 1981, p14; L/W=1.000 H/W=0.759 Vol/W³=0.294 120 index 46+8 facets

Open21.080 Lepus
Kendall, Howard; Gems & Minerals, Jun 1981, p18; L/W=1.000 H/W=0.635 Vol/W³=0.200 64 index 61+8 facets

Open21.080A Lepus /c/
(Kendall) Steele, Norman W; Seattle F Design, Jul 1981, p2; L/W=1.000 H/W=0.635 Vol/W³=0.200 64 index 61+8 facets

21.081 Step Holland Rose
Heath, Sabadina; Facets, Aug 1981, p3; L/W=1.000 H/W=0.760 Vol/W³=0.299 96 index 49+8 facets

21.082 FVS-16 Eight Sided Spike
Van Sant, Fred W; Star Cuts I (1980) p16; L/W=1.000 H/W=0.681 Vol/W³=0.261 64 index 73+8 facets

Open21.082A FVS-16 8-Sided Spike
Van Sant, Fred; Star Cuts I (1988); L/W=1.000 H/W=0.682 Vol/W³=0.252 64 index 81+8 facets