Tsavorite

Tsavorite Garnet
Refractive Index : 1.740 + 0.020 – 0.070
Optical Characteristic : SR, ADR
Specific Gravity : 3.61 + 0.12 – 0.04
Formula : Ca3AI2(SiO4)3
Crystal System : Cubic
Variety/Species : Ugranite/Grossular
Species/Group : Garnet group
Birefringence : None
Dispersion : 0.028
Hardness : 7 to 7.5
Toughness : Fair to good
Ultrasonic : Usually safe
Steam : Never
UV Long : Inert to weak
UV Short : Inert to weak
Pleochroism : None
Strength : N/A

Pleochroism Colors : None
Heat : Avoid abrupt temperature change
Acids : Avoid hydrofluoric acid
Light : stable
Polish Luster : vitreous
Fracture : Conchoidal to uneven
Fracture Luster : Greasy to vitreous
Clarity Type : II
Tones : 2-8
Saturations : 1-5
Cause of Color : Vanadium and traces of chromium
Enhancements : None
Cleavage : None
Color Range : Green, through strongly, yellowish green, greenish
Transparency : Transparent to semitransparent
Phenomena : None

Separations : Tsavorite from-
Andradite : RI, SG, spectrum, magnificaton, dispersion

All corundum : RI, SG, birefringence, optic character, pleochroism, spectrum, magnification, fluorescence(possibly)
synthetic

Natural spinel : Magnificaton, fluorescence, polariscope reaction

Chrysoberyl : Optic character, birefriengence, spectrum

Identifying Characteristics and information
ystals
Spectral Data
May have a chrome spectrum
Trade Names and Misnomers
Green Garnet
Tsavolite
Tsavorite

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