Gemstone ID - 532 nm
A55 - a
Species : Topaz
Chemical Formula : Al2SiO4(F,OH)2
Identification Characteristics :
Classification: Silicate
Hardness:8 S.G.:3.49 ~ 3.57
Cleavage: Perfect
R.I.: 1.62 ~ 1.63 D.R.: 0.010
Crystal System: Orthorhombic
Fracture: Subconchoidal to Uneven
Spectral Characteristics:
294、325、353、391、416、441、 520、585、706、977、1019、1072 (cm-1)
A55 - b
Species : Topaz
Chemical Formula : Al2SiO4(F,OH)2
Identification Characteristics :
Classification: Silicate
Hardness:8 S.G.:3.49 ~ 3.57
Cleavage: Perfect
R.I.: 1.62 ~ 1.63 D.R.: 0.010
Crystal System: Orthorhombic
Fracture: Subconchoidal to Uneven
Spectral Characteristics:
294、325、353、391、416、441、 520、585、706、977、1019、1072 (cm-1)
A55 - c
Species : Topaz
Chemical Formula : Al2SiO4(F,OH)2
Identification Characteristics :
Classification: Silicate
Hardness:8 S.G.:3.49 ~ 3.57
Cleavage: Perfect
R.I.: 1.62 ~ 1.63 D.R.: 0.010
Crystal System: Orthorhombic
Fracture: Subconchoidal to Uneven
Spectral Characteristics:
294、325、353、391、416、441、 520、585、706、977、1019、1072 (cm-1)
A57 - a
Species : Tourmaline
Chemical Formula : Na(Mg,Fe,Li,Mn,Al)3Al6Si6O18(BO3)3(OH,F)4
Identification Characteristics :
Classification: Silicate
Hardness:7 ~ 7.5 S.G.:3.0 ~ 3.2
Cleavage: Imperfect
R.I.: 1.62 ~ 1.64 D.R.: 0.018
Crystal System: Trigonal
Fracture: Uneven to Conchoidal
Spectral Characteristics:
370、405、507、634、704、751、 1058、
1087 (cm-1)
A57 - b
Species : Tourmaline
Chemical Formula : Na(Mg,Fe,Li,Mn,Al)3Al6Si6O18(BO3)3(OH,F)4
Identification Characteristics :
Classification: Silicate
Hardness:7 ~ 7.5 S.G.:3.0 ~ 3.2
Cleavage: Imperfect
R.I.: 1.62 ~ 1.64 D.R.: 0.018
Crystal System: Trigonal
Fracture: Uneven to Conchoidal
Spectral Characteristics:
370、405、507、634、704、751、 1058、
1087 (cm-1)
A57 - c
Species : Tourmaline
Chemical Formula : Na(Mg,Fe,Li,Mn,Al)3Al6Si6O18(BO3)3(OH,F)4
Identification Characteristics :
Classification: Silicate
Hardness:7 ~ 7.5 S.G.:3.0 ~ 3.2
Cleavage: Imperfect
R.I.: 1.62 ~ 1.64 D.R.: 0.018
Crystal System: Trigonal
Fracture: Uneven to Conchoidal
Spectral Characteristics:
370、405、507、634、704、751、 1058、
1087 (cm-1)
A57 - d
Species : Tourmaline
Chemical Formula : Na(Mg,Fe,Li,Mn,Al)3Al6Si6O18(BO3)3(OH,F)4
Identification Characteristics :
Classification: Silicate
Hardness:7 ~ 7.5 S.G.:3.0 ~ 3.2
Cleavage: Imperfect
R.I.: 1.62 ~ 1.64 D.R.: 0.018
Crystal System: Trigonal
Fracture: Uneven to Conchoidal
Spectral Characteristics:
370、405、507、634、704、751、 1058、
1087 (cm-1)
A57 - e
Species : Tourmaline
Chemical Formula : Na(Mg,Fe,Li,Mn,Al)3Al6Si6O18(BO3)3(OH,F)4
Identification Characteristics :
Classification: Silicate
Hardness:7 ~ 7.5 S.G.:3.0 ~ 3.2
Cleavage: Imperfect
R.I.: 1.62 ~ 1.64 D.R.: 0.018
Crystal System: Trigonal
Fracture: Uneven to Conchoidal
Spectral Characteristics:
370、405、507、634、704、751、 1058、
1087 (cm-1)
A57 - f
Species : Tourmaline
Chemical Formula : Na(Mg,Fe,Li,Mn,Al)3Al6Si6O18(BO3)3(OH,F)4
Identification Characteristics :
Classification: Silicate
Hardness:7 ~ 7.5 S.G.:3.0 ~ 3.2
Cleavage: Imperfect
R.I.: 1.62 ~ 1.64 D.R.: 0.018
Crystal System: Trigonal
Fracture: Uneven to Conchoidal
Spectral Characteristics:
370、405、507、634、704、751、 1058、
1087 (cm-1)
A57 - g
Species : Tourmaline
Chemical Formula : Na(Mg,Fe,Li,Mn,Al)3Al6Si6O18(BO3)3(OH,F)4
Identification Characteristics :
Classification: Silicate
Hardness:7 ~ 7.5 S.G.:3.0 ~ 3.2
Cleavage: Imperfect
R.I.: 1.62 ~ 1.64 D.R.: 0.018
Crystal System: Trigonal
Fracture: Uneven to Conchoidal
Spectral Characteristics:
370、405、507、634、704、751、 1058、
1087 (cm-1)
A57 - h
Species : Tourmaline
Chemical Formula : Na(Mg,Fe,Li,Mn,Al)3Al6Si6O18(BO3)3(OH,F)4
Identification Characteristics :
Classification: Silicate
Hardness:7 ~ 7.5 S.G.:3.0 ~ 3.2
Cleavage: Imperfect
R.I.: 1.62 ~ 1.64 D.R.: 0.018
Crystal System: Trigonal
Fracture: Uneven to Conchoidal
Spectral Characteristics:
370、405、507、634、704、751、 1058、
1087 (cm-1)
A57 - i
Species : Tourmaline
Chemical Formula : Na(Mg,Fe,Li,Mn,Al)3Al6Si6O18(BO3)3(OH,F)4
Identification Characteristics :
Classification: Silicate
Hardness:7 ~ 7.5 S.G.:3.0 ~ 3.2
Cleavage: Imperfect
R.I.: 1.62 ~ 1.64 D.R.: 0.018
Crystal System: Trigonal
Fracture: Uneven to Conchoidal
Spectral Characteristics:
370、405、507、634、704、751、 1058、
1087 (cm-1)
A58 - a
Species : Turquoise
Chemical Formula : CuAl6(PO4)4(OH)8‧4H2O
Identification Characteristics :
Classification: Phosphate
Hardness:5 ~ 6 S.G.:2.6 ~ 2.8
Cleavage: Good
R.I.: 1.61 ~ 1.65 D.R.: 0.040
Crystal System: Triclinic
Fracture: Conchoidal
Spectral Characteristics:
330、418、641、816、1040 (cm-1)
A58 - b
Species : Turquoise
Chemical Formula : CuAl6(PO4)4(OH)8‧4H2O
Identification Characteristics :
Classification: Phosphate
Hardness:5 ~ 6 S.G.:2.6 ~ 2.8
Cleavage: Good
R.I.: 1.61 ~ 1.65 D.R.: 0.040
Crystal System: Triclinic
Fracture: Conchoidal
Spectral Characteristics:
330、418、641、816、1040 (cm-1)
A58 - c
Species : Turquoise
Chemical Formula : CuAl6(PO4)4(OH)8‧4H2O
Identification Characteristics :
Classification: Phosphate
Hardness:5 ~ 6 S.G.:2.6 ~ 2.8
Cleavage: Good
R.I.: 1.61 ~ 1.65 D.R.: 0.040
Crystal System: Triclinic
Fracture: Conchoidal
Spectral Characteristics:
330、418、641、816、1040 (cm-1)
B58
Species : Tugtupite
Chemical Formula : Na4AlBeSi4O12Cl
Identification Characteristics :
Classification: Silicate
Hardness:4 S.G.:2.36
Cleavage: Imperfect
R.I.: 1.49 ~ 1.50 D.R.: 0.006
Crystal System: Tetragonal
Fracture: Uneven
Spectral Characteristics:
269、288、324、388、439、 461、509、554、630、1051、1129 (cm-1)