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