|
INVESTIGATIONS
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
Colour |
Locality |
Info |
nx min |
nx max |
ny min |
ny max |
nz min |
nz max |
Spectrum |
UVS |
UVL |
Reference |
wollastonite |
1.619 |
1.638 |
0.019 |
0.019 |
2.93 |
2.93 |
colourless |
Asbestos, Québec, Canada |
4.67ct |
|
|
|
|
|
|
no features |
inert |
inert |
GIA Gem Database 35518 |
wollastonite |
1.62 |
1.62 |
|
|
2.94 |
2.94 |
(dyed) green |
|
cabochon, RI by spot method |
|
|
|
|
|
|
band in the red (dye) |
bluish |
bluish |
Gems & Gemology 1977 Summer, p296 |
TABLES
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
nx min |
nx max |
ny min |
ny max |
nz min |
nz max |
Reference |
Wollastonite |
1.615 |
1.654 |
0.014 |
0.016 |
2.79 |
3.1 |
|
|
|
|
|
|
Gemmo.eu 2019 |
Wollastonite |
1.616 |
1.653 |
0.015 |
0.015 |
2.8 |
3.09 |
1.616 |
1.640 |
1.628 |
1.650 |
1.631 |
1.653 |
Joel Arem, Color Encyclopedia of Gemstones, 1987 |
Wollastonite |
1.616 |
1.653 |
0.013 |
0.017 |
2.8 |
3.09 |
1.616 |
1.640 |
|
|
1.631 |
1.653 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Wollastonite |
1.616 |
1.653 |
0.015 |
0.015 |
2.8 |
3.09 |
|
|
|
|
|
|
http://www.gemmology.be |
Wollastonite |
1.616 |
1.653 |
0.015 |
0.015 |
2.8 |
3.09 |
|
|
1.616 |
1.640 |
1.628 |
1.650 |
http://www.geminterest.com |
Wollastonite |
1.616 |
1.631 |
0.015 |
0.015 |
2.8 |
2.9 |
|
|
|
|
|
|
Gems, R Webster, 5th edition 1994 |
Wollastonite |
1.616 |
1.653 |
0.015 |
0.015 |
2.8 |
3.09 |
1.616 |
1.640 |
1.628 |
1.650 |
1.631 |
1.653 |
Tables of Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 |
Wollastonite |
1.616 |
1.653 |
0.015 |
0.015 |
2.8 |
3.09 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
Wollastonite |
1.616 |
1.653 |
0.015 |
0.015 |
2.8 |
3.09 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
wollastonite |
1.616 |
1.653 |
0.015 |
0.015 |
2.8 |
3.09 |
1.62 |
1.64 |
1.63 |
1.65 |
1.63 |
1.65 |
Michael O'Donoghue, Gems: Their Sources, Descriptions and Identification
(2006), 873pp |
Wollastonite |
1.618 |
1.632 |
0.014 |
0.014 |
2.89 |
2.94 |
1.618 |
1.618 |
1.630 |
1.630 |
1.632 |
1.632 |
Gemmological Tables, Ulrich Henn,
2004 |
Wollastonite |
1.62 |
1.63 |
|
|
2.8 |
2.9 |
|
|
|
|
|
|
John Sinkakas, Gemstone and mineral data book,1972 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA
(%)