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25.007 TAPER1

Long, Robert H.; Unpublished;

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

Diamond

Emerald

26.001 Cut Corner Triangle

Soukup, Edward J; Facet Cutters Handbook (1962) p44;

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

Diamond

Emerald

26.002 Cut Corner Keystone

Soukup, Edward J; Facet Cutters Handbook (1962) p49;

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

Diamond

Emerald

26.003 Cut Corner Keystone (Cardinal)

Vargas, Glenn & Martha; Faceting for Amateurs (1969) p172;

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

Diamond

Emerald

26.004 Cut Corner Triangle Brilliant

Reinikka, Merle A; Rock & Gem, Jul 1975, p76;

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

Diamond

Emerald

26.005 Cardinal Keystone

Harding, Bruce L; Rock & Gem, Jan 1976, p54;

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

Diamond

Emerald

26.006 Pogonia

Reinikka, Merle A; Facets, Sep 1976, n20p 5;

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

Diamond

Emerald

26.007 Guardian Angel

Schubert, Lynn; Faceter's Gem Cuts, Mar 1976, p21;

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

Diamond

Emerald

26.008 Simple Triangular Brilliant

Vargas, Glenn & Martha; Diagrams for Faceting v1 (1975) p71;

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

Diamond

Emerald

26.009 Cut Corner Triangle

Vargas, Glenn & Martha; Diagrams for Faceting v1 (1975) p113;

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

Diamond

Emerald

26.010 CC Cut Corner Barion Triangle

Long, R H & Steele, N W; Facet Design v6 (1987) pC5;

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

Diamond

Emerald

26.011 Triangular Barion Equilateral

Vargas, Glenn & Martha; Diagrams for Faceting v1 (1975) p150a;

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

Diamond

Emerald

26.012 Devil's Triangle

Scott, Betty; MDR Book of Gem Cuts, v3 (1977) n4;

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

Diamond

Emerald

26.013 Modified Triangular Barion

Rouse, John D; Lapidary Journal, May 1980, p500;

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

Diamond

Emerald

26.014 Tri-Folium

Larson, Henry E; Gems & Minerals, Mar 1981, p52;

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

Diamond

Emerald

26.015 Gemcross

Kirwan, Warren; Lapidary Journal, Apr 1981, p262;

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

Diamond

Emerald

26.016 Meridian Triangle

Rieks, Ed; Facets, Jan 1982, p7;

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

Diamond

Emerald

26.017 Triplex

Reinikka, Merle A; Facets, Feb 1983, p3;

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

Diamond

Emerald

26.018 Cut Corner Kite Brilliant

Williams, Michael P; Lapidary Journal, Mar 1983, p2037;

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

Diamond

Emerald

26.019 Ben's Kite

Strout, Edith; Lapidary Journal, Apr 1984, p102;

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

Diamond

Emerald

26.020 Apollo A

Smith, Paul C; Facets, Sep 1994;

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

Diamond

Emerald

26.021 Apollo B

Smith, Paul C; Facets, Oct 1994, p4;

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

Diamond

Emerald

26.022 Apollo C

Word, Sid; Facets, Feb 1986, n133, p3;

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

Diamond

Emerald

26.023 Mersoni Pendant

Moore, Raissa; Facets, Feb 1986, n133 p7;

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

Diamond

Emerald

1 100 125 150 151 152 153 154 155 156 157 158 159 160 175 200 231