Gemstone ID - 532 nm

B61

Species : Willemite        
Chemical Formula :     Zn2SiO4   
Identification Characteristics :   
Classification:  Silicate
Hardness:5.5          S.G.:3.89 ~ 4.19
Cleavage:  Basal
R.I.: 1.69 ~ 1.72       D.R.: 0.028         
Crystal System: Trigonal
Fracture: Uneven
Spectral Characteristics: 
869、907(cm-1)

B62 - a

Species : Wulfenite       
Chemical Formula :     PbMoO4  
Identification Characteristics : 
Classification: Molybdate
Hardness:2.5 ~ 3      S.G.:6.5 ~ 7.0
Cleavage: Perfect Pyramidal
R.I.: 2.28 ~ 2.41         D.R.: 0.122
Crystal System: Tetragonal
Fracture: Subconchoidal
Spectral Characteristics: 
316、349、744、767、869(cm-1)

B62 - b

Species : Wulfenite       
Chemical Formula :     PbMoO4  
Identification Characteristics : 
Classification: Molybdate
Hardness:2.5 ~ 3      S.G.:6.5 ~ 7.0
Cleavage: Perfect Pyramidal
R.I.: 2.28 ~ 2.41         D.R.: 0.122
Crystal System: Tetragonal
Fracture: Subconchoidal
Spectral Characteristics: 
316、349、744、767、869(cm-1)