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

Gaspeite

1.63

3.23

3.23

aggregate, chelsea : bluish-green

inert

inert

Gemmologie, Zeitschrift der Deutschen Gemmologischen Gesellschaft 1997 Jun, p107-108

Gaspeite

1.62

3.51

3.51

3.15 ct, cabochon, "Allura", opaque, spot RI, blink reading

inert

inert

Gems & Gemology 1994 Summer, 126

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

ne min

ne max

no min

no max

Reference

Gaspeite

1.6

1.84

0.21

0.23

3.5

3.75

Gemmo.eu 2017

Gaspeite

1.61

1.83

0.22

0.22

3.21

3.21

1.610

1.610

1.830

1.830

Gemmological Tables, Ulrich Henn, 2004 

Gaspeite

1.61

1.83

0.22

0.22

3.7

3.72

1.610

1.610

1.830

1.830

http://www.geminterest.com 

Gaspeite

1.61

1.83

0.22

0.22

3.21

3.21

Gems, R Webster, 5th edition 1994 

Gaspeite

1.61

1.83

0.22

0.22

3.71

3.71

Bestimmungstabellen für Edelsteine, Birgit Günther, 2008 

Gaspeite

1.61

1.83

0.22

0.22

3.7

3.72

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

Gaspeite

1.61

1.83

0.22

0.22

3.7

3.7

Michael O'Donoghue, Gems: Their Sources, Descriptions and Identification (2006),  873pp