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Designer
Companion

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19.004 Step Keystone

Vargas, Glenn & Martha; Diagrams for Faceting v1 (1975) p117;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

19.005 Split Facet Taper #1

Watermeyer, Basil; Diamond Cutting, 4th Ed. (1991) p334;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

19.006 Split Facet Taper #2

Watermeyer, Basil; Diamond Cutting, 4th Ed. (1991) p334;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

19.007 Standard Tapered Barion

Watermeyer, Basil; Diamond Cutting, 4th Ed. (1991) p334;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

19.008 Standard Keystone Barion

Watermeyer, Basil (diagram); Diamond Cutting, 4th Ed. (1991) p335;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

19.009 FVS-62 Bola

Van Sant, Fred W; Gems & Minerals, Sep 1984, p22;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.001 Half Moon

Pocklington, R L; Lapidary Journal, Nov 1975, p1474;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.002 Waxing Gibbous

Romack, Ed; Facets, Jun 1976, n17p6;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.003 Seminavette

Bruton, E; Diamonds 2nd Ed. (1978) p222 (diag only);

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.004 Semi-Navette Brilliant

Reinikka, M A & Long, R H; Facets, Sep 1979, n56p3;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.005 Demi Marquise

McCawley, Elton; Facets, Apr 1987, p9;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.006 Semi-Navette

Watermeyer, Basil; Diagrams for Faceting v3 (1987) p119;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.007 Demi-Marquise /c/

(McCawley) Smith, Paul C; Facet Talk, v8n60 (1991);

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.008 Seminavette Shield

(Watermeyer) Long, Robert H; Seattle F Design, Feb 1992;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.009 Barion Shield

(Watermeyer) Long, Robert H; Seattle F Design, Feb 1992, p2;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.010 FVS-239

Van Sant, Fred W; New Mexico Facetor, Aug 1992, v11n12;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.011 Half-Oval Checkerboard

Word, Sid; Facets, Jul 1994, p3;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.012 Sunrise Gem

Clark, Don; Lapidary Journal, Jan 1995, p120;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.013 FVS-303; Horseshoe

Van Sant, Fred W; Star Cuts 6;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

20.013A FVS-303 Horseshoe

Van Sant, Fred; Star Cuts - 6;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

21.001 Pinwheel

Hume, Ed; Seattle F Design, Jun 1967;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

21.001A Modified Pinwheel

(Hume) Van Sant, Fred W; USACF (now USFG) Newsletter, Sep 1992, p22;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

21.001B Modified Pinwheel

(Hume) Steele, Norman W; Tumbler, Mar 1994, p7;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

21.002 Brilliant Briolette

Anon; Lapidary Journal, Dec 1951, p364;

Refraction ≈ 1.54
Indices =
Facets = 89 + 16
L/W = 100.%
H/W = 69.9%
V/W³ = 25.4%

Diamond

Emerald

1 100 125 134 135 136 137 138 139 140 141 142 143 150 175 200 231