|
INVESTIGATIONS
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
Colour |
Location |
Info |
ne min |
ne max |
no min |
no max |
Spectrum |
UVS |
UVL |
Reference |
Apophyllite |
1.531 |
1.534 |
0.003 |
0.003 |
2.38 |
2.38 |
Colourless |
Poona, India |
1ea |
1.534 |
1.534 |
1.531 |
1.531 |
|
|
|
Gems & Gemology 2004 winter, p323 |
Apophyllite |
1.533 |
1.538 |
0.005 |
0.005 |
2.36 |
2.36 |
colourless |
|
0.6ct |
|
|
|
|
|
|
|
ACAM labo |
Apophyllite |
1.53 |
1.533 |
0.003 |
0.003 |
2.36 |
2.36 |
colourless |
|
0.72 ct |
|
|
|
|
|
|
|
ACAM Lab
Nr 1025 |
Apophyllite |
|
|
|
|
2.39 |
2.39 |
colourless |
Poonah, India |
7.48ct |
|
|
|
|
no features |
inert |
inert |
GIA Gem Database 35331 |
TABLES
Stone |
RI
min |
RI
max |
Biref
min |
Biref
max |
Dens
min |
Dens
max |
ne
min |
ne
max |
no
min |
no
max |
Reference |
Apophyllite |
1.528 |
1.541 |
0.001 |
0.003 |
2.3 |
2.5 |
|
|
|
|
Gemmo.eu
|
Apophyllite |
1.53 |
1.54 |
0 |
0.002 |
2.3 |
2.5 |
1.530 |
1.540 |
1.530 |
1.540 |
http://www.geminterest.com |
Apophyllite |
1.53 |
1.54 |
0 |
0.001 |
2.3 |
2.5 |
1.530 |
1.540 |
1.530 |
1.540 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
Apophyllite |
1.53 |
1.54 |
0.001 |
0.005 |
2.3 |
2.5 |
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
Apophyllite |
1.531 |
1.538 |
0.002 |
0.003 |
2.33 |
2.44 |
1.533 |
1.538 |
1.531 |
1.536 |
Gemmological Tables, Ulrich Henn,
2004 |
Apophyllite |
1.532 |
1.536 |
0 |
0.003 |
2.39 |
2.41 |
|
|
|
|
Gemology Tools Professional 2010 |
Apophyllite |
1.535 |
1.537 |
0.002 |
0.002 |
2.29 |
2.5 |
|
|
|
|
John Sinkakas, Gemstone and mineral data
book,1972 |
Apophyllite |
1.535 |
1.543 |
0.001 |
0.002 |
2.3 |
2.5 |
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
Apophyllite |
1.535 |
1.543 |
0.001 |
0.002 |
2.3 |
2.5 |
1.537 |
1.543 |
1.535 |
1.542 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Apophyllite |
1.535 |
1.537 |
0.001 |
0.001 |
2.3 |
2.5 |
|
|
|
|
http://www.gemmology.be |
Apophyllite |
1.535 |
1.537 |
0.002 |
0.002 |
2.25 |
2.5 |
|
|
|
|
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
Apophyllite |
1.535 |
1.537 |
0.002 |
0.002 |
2.3 |
2.5 |
|
|
|
|
Gems, R Webster, 5th edition 1994 |
CAUSE OF
COLOUR
stone |
colour |
cause
of colour |
reference |
Apophyllite |
green |
V4+ in distorted octahedral coordination |
Gems & Gemology Summer 1988 |
MINERAL
INCLUSIONS
LOCALITIES
STONE |
LOCALITIES |
REFERENCE |
|||
Apophyllite |
|
Pune (Poonah) |
Maharashtra |
India |
Joel Arem, Color Encyclopedia of Gemstones, 1987 |