Gemstone ID - 785 nm

A01

Species :  Almandite Garnet     
Chemical Formula :     Fe3Al2(SiO4)3
Identification Characteristics : 
Classification: Silicate
Hardness:7 ~ 7.5   S.G.:3.8
Cleavage: None   
R.I.: 1.76 ~ 1.83     D.R.: None  
Crystal System: Isometric
Fracture: Uneven to Conchoidal
Spectral Characteristics:  
353、502、 557、 637、 859、 915、 1045(cm-1) 

A02 - a

Species : Amber     
Chemical Formula :   Fossil Resin
Identification Characteristics :  
Classification: None
Hardness:2 ~ 2.5     S.G.:1.08
Cleavage: None
R.I.: 1.54 ~ 1.55       D.R.: None
Crystal System: Amorphous
Fracture: Uneven to Conchoidal
Spectral Characteristics: 
Sample-dependant fluorescence

A02 - b

Species : Amber+Epoxy     
Chemical Formula :   Fossil Resin
Identification Characteristics :  
Classification: None
Hardness:2 ~ 2.5      S.G.:1.08
Cleavage: None    
R.I.: 1.54 ~ 1.55        D.R.: None
Crystal System: Amorphous
Fracture: Uneven to Conchoidal
Spectral Characteristics: 
Sample-dependant fluorescence

A02 - c

Species : Amber     
Chemical Formula :   Fossil Resin
Identification Characteristics :  
Classification: None
Hardness:2 ~ 2.5      S.G.:1.08
Cleavage: None    
R.I.: 1.54 ~ 1.55        D.R.: None
Crystal System: Amorphous
Fracture: Uneven to Conchoidal
Spectral Characteristics: 
715、1203、1446、1652  (cm-1)

A03 - a

Species : Andalusite    
Chemical Formula :     Al2SiO5
Identification Characteristics :  
Classification:  Silicate
Hardness:6.5 ~ 7.5     S.G.:3.13 ~ 3.16
Cleavage: Prismatic  
R.I.: 1.63 ~ 1.64           D.R.: 0.010
Crystal System:  Orthorhombic
Fracture: Uneven to Subconchoidal
Spectral Characteristics: 
289、319、357、919  (cm-1)

A03 - b

Species : Andalusite    
Chemical Formula :     Al2SiO5
Identification Characteristics :  
Classification:  Silicate
Hardness:6.5 ~ 7.5     S.G.:3.13 ~ 3.16
Cleavage:  Prismatic    
R.I.: 1.63 ~ 1.64           D.R.: 0.010
Crystal System:  Orthorhombic
Fracture: Uneven to Subconchoidal
Spectral Characteristics: 
 289、319、357、919  (cm-1)

A03 - c

Species : Andalusite    
Chemical Formula :     Al2SiO5
Identification Characteristics :  
Classification:  Silicate
Hardness:6.5 ~ 7.5     S.G.:3.13 ~ 3.16
Cleavage:  Prismatic  
R.I.: 1.63 ~ 1.64          D.R.: 0.010
Crystal System:  Orthorhombic
Fracture: Uneven to Subconchoidal
Spectral Characteristics: 
289、319、357、919  (cm-1)

A04 - a

Species : Andradite Garnet      
Chemical Formula :     Ca3Fe2(SiO4)3
Identification Characteristics : 
Classification:  Silicate
Hardness:6.5 ~ 7.5    S.G.:3.85
R.I.: 1.85 ~ 1.89         D.R.: None
Cleavage: None          
Crystal System: Isometric
Fracture: Conchoidal
Spectral Characteristics: 
351、368、514、815、840、874  (cm-1)

A04 - b

Species : Andradite Garnet      
Chemical Formula :     Ca3Fe2(SiO4)3
Identification Characteristics : 
Classification:  Silicate
Hardness:6.5 ~ 7.5  S.G.:3.85
Cleavage: None
R.I.: 1.85 ~ 1.89       D.R.: None
Crystal System: Isometric
Fracture: Conchoidal
Spectral Characteristics: 
351、368、514、815、840、874  (cm-1)

 

Gemstone ID - 532 nm

A01 - a

A01A
A01ASPEC

Species :  Almandine Garnet    
Chemical Formula :     Fe3Al2(SiO4)3
Identification Characteristics :
Classification: Silicate
Hardness:7 ~ 7.5   S.G.:3.8
Cleavage: None  
R.I.: 1.76 ~ 1.83     D.R.: None
Crystal System: Isometric
Fracture: Uneven to Conchoidal
Spectral Characteristics: 
353,502, 557,637, 859, 915, 1045(cm-1) 

A01 - b

Species :  Almandine Garnet     
Chemical Formula :     Fe3Al2(SiO4)3
Identification Characteristics : 
Classification: Silicate
Hardness:7 ~ 7.5   S.G.:3.8
Cleavage: None   
R.I.: 1.76 ~ 1.83     D.R.: None  
Crystal System: Isometric
Fracture: Uneven to Conchoidal
Spectral Characteristics:  
353、502、 557、 637、 859、 915、 1045(cm-1) 

a01b

A01 - c

Species :  Almandine Garnet     
Chemical Formula :     Fe3Al2(SiO4)3
Identification Characteristics : 
Classification: Silicate
Hardness:7 ~ 7.5   S.G.:3.8
Cleavage: None   
R.I.: 1.76 ~ 1.83     D.R.: None  
Crystal System: Isometric
Fracture: Uneven to Conchoidal
Spectral Characteristics:  
353、502、 557、 637、 859、 915、1045 (cm-1) 

A03 - a

a03ap.png

Species : Andalusite    
Chemical Formula :     Al2SiO5
Identification Characteristics : 
Classification:  Silicate
Hardness:6.5 ~ 7.5     S.G.:3.13 ~ 3.16
Cleavage: Prismatic
R.I.: 1.63 ~ 1.64           D.R.: 0.010
Crystal System:  Orthorhombic
Fracture: Uneven to Subconchoidal
Spectral Characteristics:
289、319、357、919  (cm-1)

A03 - b

Species : Andalusite    
Chemical Formula :     Al2SiO5
Identification Characteristics :  
Classification:  Silicate
Hardness:6.5 ~ 7.5     S.G.:3.13 ~ 3.16
Cleavage: Prismatic  
R.I.: 1.63 ~ 1.64           D.R.: 0.010
Crystal System:  Orthorhombic
Fracture: Uneven to Subconchoidal
Spectral Characteristics: 
289、319、357、919  (cm-1)

A04 - a

Species : Andradite Garnet      
Chemical Formula :     Ca3Fe2(SiO4)3
Identification Characteristics : 
Classification:  Silicate
Hardness:6.5 ~ 7.5    S.G.:3.85
R.I.: 1.85 ~ 1.89         D.R.: None
Cleavage: None          
Crystal System: Isometric
Fracture: Conchoidal
Spectral Characteristics: 
351、368、514、815、840、874  (cm-1)

A04 - b

Species : Andradite Garnet      
Chemical Formula :     Ca3Fe2(SiO4)3
Identification Characteristics : 
Classification:  Silicate
Hardness:6.5 ~ 7.5    S.G.:3.85
R.I.: 1.85 ~ 1.89         D.R.: None
Cleavage: None          
Crystal System: Isometric
Fracture: Conchoidal
Spectral Characteristics: 
351、368、514、815、840、874  (cm-1)

B01 - a

Species : Actinolite       
Chemical Formula :   Ca2(Mg,Fe)5Si8O22(OH)2  
Identification Characteristics :
Classification:  Silicate
Hardness:5 ~ 6       S.G.:3.0 ~ 3.44
Cleavage: Good     
R.I.: 1.61 ~ 1.66       D.R.: 0.053
Crystal System: Monoclinic
Fracture: Uneven to Conchoidal
Spectral Characteristics: 
365、387、670、928、1028、1055(cm-1)

B01 - b

Species : Actinolite       
Chemical Formula :   Ca2(Mg,Fe)5Si8O22(OH)2  
Identification Characteristics :
Classification:  Silicate
Hardness:5 ~ 6       S.G.:3.0 ~ 3.44
Cleavage: Good     
R.I.: 1.61 ~ 1.66       D.R.: 0.053
Crystal System: Monoclinic
Fracture: Uneven to Conchoidal
Spectral Characteristics: 
365、387、670、928、1028、1055(cm-1)

B04 - a

Species : Amblygonite      
Chemical Formula : (Li, Na)AlPO4(F,OH)  
Identification Characteristics :    
Classification: Phosphate
Hardness:5.5 ~ 6    S.G.:3.08
Cleavage: Perfect   
R.I.: 1.57 ~ 1.60      D.R.: 0.026    
Crystal System: Triclinic
Fracture: Uneven
Spectral Characteristics: 
298、425、600、627、644、 1010、1045
、1057 (cm-1)                   

B04 - b

Species : Amblygonite      
Chemical Formula : (Li, Na)AlPO4(F,OH)  
Identification Characteristics :    
Classification: Phosphate
Hardness:5.5 ~ 6    S.G.:3.08
Cleavage: Perfect   
R.I.: 1.57 ~ 1.60      D.R.: 0.026    
Crystal System: Triclinic
Fracture: Uneven
Spectral Characteristics: 
298、425、600、627、644、 1010、1045
、1057 (cm-1)  

B05 - a

Species : Apatite       
Chemical Formula :   Ca5(PO4)3(F,Cl,OH)   
Identification Characteristics :
Classification: Phosphate
Hardness:5           S.G.:3.1 ~ 3.2
Cleavage: Poor     
R.I.: 1.63 ~ 1.64    D.R.: 0.003   
Crystal System: Hexagonal
Fracture: Conchoidal to Uneven
Spectral Characteristics: 
430、580、960、1050 (cm-1)

B05 - b

Species : Apatite       
Chemical Formula :   Ca5(PO4)3(F,Cl,OH)   
Identification Characteristics :
Classification: Phosphate
Hardness:5           S.G.:3.1 ~ 3.2
Cleavage: Poor     
R.I.: 1.63 ~ 1.64    D.R.: 0.003   
Crystal System: Hexagonal
Fracture: Conchoidal to Uneven
Spectral Characteristics: 
430、580、960、1050 (cm-1)

B05 - c

Species : Apatite       
Chemical Formula :   Ca5(PO4)3(F,Cl,OH)   
Identification Characteristics :
Classification: Phosphate
Hardness:5           S.G.:3.1 ~ 3.2
Cleavage: Poor     
R.I.: 1.63 ~ 1.64    D.R.: 0.003   
Crystal System: Hexagonal
Fracture: Conchoidal to Uneven
Spectral Characteristics: 
430、580、960、1050 (cm-1)

B05 - d

b05a.jpg

Species : Apatite       
Chemical Formula :   Ca5(PO4)3(F,Cl,OH)   
Identification Characteristics :
Classification: Phosphate
Hardness:5           S.G.:3.1 ~ 3.2
Cleavage: Poor     
R.I.: 1.63 ~ 1.64    D.R.: 0.003   
Crystal System: Hexagonal
Fracture: Conchoidal to Uneven
Spectral Characteristics: 
430、580、960、1050 (cm-1) 

B06 - a

Species : Apophyllite       
Chemical Formula :              KCa4Si8O20(F,OH)‧8H2O
Identification Characteristics :  
Classification:  Silicate
Hardness:4.5 ~ 5        S.G.:4.6 ~ 4.7
Cleavage: Imperfect   
R.I.: 1.54                      D.R.: 0.002
Crystal System: Tetragonal
Fracture: Uneven
Spectral Characteristics: 
430、487、538、583、1061 (cm-1)

B06 - b

Species : Apophyllite       
Chemical Formula :  KCa4Si8O20(F,OH)‧8H2O   
Identification Characteristics :  
Classification:  Silicate
Hardness:4.5 ~ 5        S.G.:4.6 ~ 4.7
Cleavage: Imperfect   
R.I.: 1.54                      D.R.: 0.002
Crystal System: Tetragonal
Fracture: Uneven
Spectral Characteristics: 
430、487、538、583、1061 (cm-1)

B07 - a

Species : Aragonite      
Chemical Formula :     CaCO3   
Identification Characteristics :   
Classification: Carbonate
Hardness:3.5 ~ 4     S.G.:2.95
Cleavage: Perfect  
R.I.: 1.53 ~ 1.68        D.R.: 0.155
Crystal System:  Orthorhombic
Fracture: Conchoidal
Spectral Characteristics: 
271、702、1085 (cm-1)

B07 - b

Species : Aragonite      
Chemical Formula :     CaCO3   
Identification Characteristics :   
Classification: Carbonate
Hardness:3.5 ~ 4     S.G.:2.95
Cleavage: Perfect  
R.I.: 1.53 ~ 1.68        D.R.: 0.155
Crystal System:  Orthorhombic
Fracture: Conchoidal
Spectral Characteristics: 
271、702、1085 (cm-1)

B07 - c

Species : Aragonite      
Chemical Formula :     CaCO3   
Identification Characteristics :   
Classification: Carbonate
Hardness:3.5 ~ 4     S.G.:2.95
Cleavage: Perfect  
R.I.: 1.53 ~ 1.68        D.R.: 0.155
Crystal System:  Orthorhombic
Fracture: Conchoidal
Spectral Characteristics: 
271、702、1085 (cm-1)

B08

Species : Axinite        
Chemical Formula :  Ca2(Fe2+,Mn2+)Al2BSi4O15(OH)  
Identification Characteristics :    
Classification:  Silicate
Hardness:6 ~ 7       S.G.:3.2 ~ 3.4
Cleavage: Good  
R.I.: 1.67 ~ 1.70       D.R.: 0.011      
Crystal System: Triclinic
Fracture: Uneven to Conchoidal
Spectral Characteristics: 
275、306、319、344、392、419、677、714、963、977 (cm-1)

B09 - a

Species : Azurite        
Chemical Formula :  Cu3(CO3)2(OH)2   
Identification Characteristics :
Classification: Carbonate
Hardness:3.5 ~ 4     S.G.:3.77 ~ 3.78
Cleavage: Perfect   
R.I.: 1.73 ~ 1.84        D.R.: 0.110     
Crystal System: Monoclinic
Fracture: Conchoidal
Spectral Characteristics: 
250、284、331、403、765、1095 (cm-1)

B09 - b

Species : Azurite     
Chemical Formula : Cu2O   
Identification Characteristics :  
Classification: Oxide
Hardness:3.5 ~ 4       S.G.:6.14
Cleavage: Poor Octahedral
R.I.: 2.849                  D.R.: None      
Crystal System: Isometric
Fracture: Conchoidal to Uneven
Spectral Characteristics: 
418、484、638、1070、1168 (cm-1)

C01

Species : Albite       
Chemical Formula :   NaAlSi3O8   
Identification Characteristics :  
Classification:  Silicate
Hardness:6 ~ 6.5     S.G.:2.60 ~ 2.63
Cleavage: Perfect  
R.I.: 1.54 ~ 1.55        D.R.: 0.009
Crystal System: Triclinic
Fracture: Uneven
Spectral Characteristics: 
288、326、412、456、477、506、763、815、1099 (cm-1)  

C02 - a

c02a.png

Species : Anatase   
Chemical Formula :     TiO2   
Identification Characteristics :    
Classification: Oxide
Hardness:5.5 ~ 6       S.G.:3.82 ~ 3.97
Cleavage: Perfect Basal    
R.I.: 2.49 ~ 2.56         D.R.: 0.073
Crystal System: Tetragonal
Fracture: Subconchoidal
Spectral Characteristics: 
394、513、636 (cm-1) 

C02 - b

Species : Anatase   
Chemical Formula :     TiO2   
Identification Characteristics :    
Classification: Oxide
Hardness:5.5 ~ 6       S.G.:3.82 ~ 3.97
Cleavage: Perfect Basal    
R.I.: 2.49 ~ 2.56         D.R.: 0.073
Crystal System: Tetragonal
Fracture: Subconchoidal
Spectral Characteristics: 
394、513、636 (cm-1) 

C03

c03.png

Species : Anglesite      
Chemical Formula :  PbSO4   
Identification Characteristics :
Classification: Sulfate
Hardness:2.5 ~ 3         S.G.:6.3 ~ 6.4
Cleavage: FAIR Basal     
R.I.: 1.87 ~ 1.89           D.R.: 0.017
Crystal System:  Orthorhombic
Fracture: Conchoidal
Spectral Characteristics: 
438、448、977、1157 (cm-1)