Colored Stone Certificate

Order Name : Bacan Docco
No : 29040504

Gem Identification

Shape and Cut : Oval Cabochon
Colour : Dark Green
Measurements : Not Identify
Total Weight : 23.63 Grm (est in ring)
 Estimated Refractive
Transparentcy : Translucent to opaque
Fenomena : -
Index (RI) : 152 ; AGG
Specific Gravitation : 2.81
Characteristic : AGG Structure, Hydrated
 Chooper Sillicate Content
                                  (Cu,Al)2H2Si2O5(OH)4+nH2O
Crystal : Orthorhombic
Conclusion : Natural Chalcedony
Gem’s Name : Chrysocolla
Trading Name : Bacan Docco (Chrysocolla
 Chalcedony)
Original : Docco, Indonesia
Waistband : Solid Silver
Colored Stone Grade

Proportion : Good
Finish : Good
Luster : Vitreous
Clarity : Imperfect (I),external blemishes
Treatment         : No indications of heating (NTE)
Comment         : Natural Chrysocolla Chalcedony