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
Order Name : Bacan Docco
No : 29040503
Gem
Identification
Shape and Cut : Oval Cabochon
Colour : Medium Greenish Blue
Measurements : 19.5 x 15.5 x 9 mm
Total Weight : 14.38 Grm (est in ring)
30.04 Ct (Stone)
Estimated Refractive
Transparentcy : Translucent – Transfluence
Fenomena : -
Index (RI) : 152 ; AGG
Specific Gravitation : 2.77
Characteristic : AGG Structure, fragment of
petrified wood, no evidence of dyed
Conclusion :
Natural Chalcedony
Gem’s Name : Chrysocolla
Trading Name : Bacan Docco (Chrysocolla
Chalcedony)
Original : Docco, Indonesia
Waistband : Silver
Colored Stone
Grade
Proportion : Good
Finish : Good
Clarity : Slight inclusion
(SI)
Treatment : No indications of heating
(NTE)
Comment :
Natural Chrysocolla
Chalcedony
CONCLUSION :
NATURAL BUNTAT KALIMANTAN
IDENTIFICATION DATA
Description : One Loose Faceted gemstone
Weight : 20.45 grm
Dimension : 2.5 x 2.2 x 2.3 cm
Cut : No
Shape : No
Tranparency : No
Colour : Black
Clarity : Medium Inclusion
Magnification : No
Fenomena : No
Comment : Natural
Origin : Kalimantan Indonesia