Gear: 40

4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 <80> W W U U L L T T C C P P PC 42.010 Decagon Vargas, Glenn & Martha; Diagrams for Faceting (1975), p144 Angles for R.I. = 1.540 71 facets + 10 girdles 10-fold symmetry; 80 index L/W = 1.051 T/W = 0.613 U/W = 0.583 P/W = 0.548 C/W = 0.152 Vol/W³ = 0.286 pc42010.asc

42.010 Decagon

  • Vargas, Glenn & Martha;Diagrams for Faceting v1 (1975) p144;
  • L/W=1.000
  • H/W=0.722
  • Vol/W^3=0.286
  • 71+10 Facets
4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 <80> W W T T L L U U C C P P PC 42.009 Pentagon and Star Vargas, Glenn & Martha; Diagrams for Faceting (1975), p53 Angles for R.I. = 1.540 51 facets + 10 girdles 5-fold, mirror-image symmetry; 80 index L/W = 1.000 T/W = 0.630 U/W = 0.630 P/W = 0.466 C/W = 0.082 Vol/W³ = 0.174 pc42009.asc

42.009 Pentagon and Star

  • Vargas, Glenn & Martha;Diagrams for Faceting v1 (1975) p53;
  • L/W=1.000
  • H/W=0.564
  • Vol/W^3=0.174
  • 51+10 Facets
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 <40> L L U U W W T T C C P P PC 42.004 Ten Sided Star Vargas, Glenn & Martha; Faceting for Amateurs (1969), p160 Angles for R.I. = 1.540 36 facets + 10 girdles 5-fold, mirror-image symmetry; 40 index L/W = 1.051 T/W = 0.358 U/W = 0.341 P/W = 0.490 C/W = 0.304 Vol/W³ = 0.307 pc42004.asc

42.004 Ten Sided Star

  • Vargas, Glenn & Martha;Faceting for Amateurs (1969) p160;
  • L/W=1.000
  • H/W=0.822
  • Vol/W^3=0.307
  • 36+10 Facets
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 <40> L L T T W W U U C C P P PC 01.140 Little Star Howell, Quincy D: Faceter's Gem Cuts (1976) v1n21 Angles for R.I. = 1.540 91 facets + 40 girdles 10-fold, mirror-image symmetry; 40 index L/W = 1.000 T/W = 0.623 U/W = 0.593 P/W = 0.566 C/W = 0.153 Vol/W³ = 0.278 pc01140.asc

01.140 Little Star

  • Vargas, Glenn & Martha;Diagrams for Faceting v1 (1975) p22;
  • L/W=1.000
  • H/W=0.737
  • Vol/W^3=0.278
  • 91+R Facets
4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 <80> W W U U L L T T C C P P PC 01.066 Ten Fold Brilliant Vargas, Glenn & Martha; Faceting for Amateurs (1969) p111 Angles for R.I. = 1.540 71 facets + 40 girdles 10-fold, mirror-image symmetry; 80 index L/W = 1.000 T/W = 0.600 U/W = 0.570 P/W = 0.440 C/W = 0.145 Vol/W³ = 0.205 pc01066.asc

01.066 Ten Fold Brilliant

  • Vargas, Glenn & Martha;Faceting for Amateurs (1969) p111;
  • L/W=1.000
  • H/W=0.597
  • Vol/W^3=0.205
  • 71+R Facets