Gemsdat
 

                Home            Gemstones

 

     

INVESTIGATIONS

Stone

RI min

RI max

Dens min

Dens max

Colour

Location

Info

Spectrum

UVS

UVL

Reference

Bakelite

1.66

1.66

1.28

1.28

reddish brown

 

RI spot, amber imitation

 

inert

inert

ACAM lab  4748

 

TABLES

Stone

RI min

RI max

Dens min

Dens max

Reference

Bakelite

 

 

1.25

1.3

John Sinkakas, Gemstone and mineral data book,1972 

Bakelite

1.47

1.47

1.25

2

Gems, R Webster, 5th edition 1994 

Bakelite

1.5

1.7

1.25

1.9

Bestimmungstabellen für Edelsteine, Birgit Günther, 1981 

Bakelite

1.5

1.7

1.25

1.35

Gemme, Dati per l'identificazione, P. De Stefano et al, 1993 

Bakelite

1.5

1.7

1.25

1.3

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

 

CAUSE OF COLOUR