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INVESTIGATIONS

 

TABLES

Stone

RI min

RI max

Dens min

Dens max

Reference

Yttrium aluminate YALO, artificial product

1.938

1.955

5.33

5.36

Bestimmungstabellen für Edelsteine, Birgit Günther, 2008 

Yttrium aluminate YALO, artificial product

1.938

1.955

5.33

5.36

Gemmological Tables, Ulrich Henn, 2004 

Yttrium aluminate YALO, artificial product

1.938

1.955

5.35

5.35

Tabellen zur Edelstein-Bestimmung, Pschichholz FGA, 1975 

Yttrium aluminate YALO, artificial product

1.938

1.955

5.35

5.35

Gems, R Webster, 5th edition 1994 

Yttrium aluminate YALO, artificial product

1.94

1.97

5.35

5.35

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Yttrium aluminate YALO, artificial product

1.94

1.97

5.33

5.36

Tables of Gemstone Identification, Roger Dedeyn, Ivo Quintens, 2007 

 

CAUSE OF COLOUR

 

CHEMICAL DATA (%)