Gemstone ID - 532 nm

A29 - a

Species : Malachite     
Chemical Formula :     Cu2CO3(OH)2
Identification Characteristics : 
Classification: Carbonate
Hardness:3.5 ~ 4         S.G.:4
Cleavage: Perfect     
R.I.: 1.85 (Average)    D.R.: 0.025
Crystal System: Monoclinic
Fracture: Subconchoidal to Uneven
Spectral Characteristics: 
156、173、182、225、261、271、355
435、720 (cm-1)

A29 - b

Species : Malachite     
Chemical Formula :     Cu2CO3(OH)2
Identification Characteristics : 
Classification: Carbonate
Hardness:3.5 ~ 4         S.G.:4
Cleavage: Perfect     
R.I.: 1.85 (Average)    D.R.: 0.025
Crystal System: Monoclinic
Fracture: Subconchoidal to Uneven
Spectral Characteristics: 
156、173、182、225、261、271、355
435、720 (cm-1)

A30

Species : Microcline Feldspar      
Chemical Formula :     KAlSi3O8
Identification Characteristics : 
Classification:  Silicate
Hardness:6 ~ 6.5    S.G.:2.55 ~ 2.63
Cleavage: Perfect      
R.I.: 1.52 ~ 1.53       D.R.: 0.008
Crystal System: Triclinic
Fracture: Uneven
Spectral Characteristics: 
157、284、257、267、453、475、512 (cm-1)