Cobaltocalcite

Cobaltocalcite is a rare calcite colored by traces of cobalt. Especially fine material has a vivid reddish-purple color and excellent translucency.

We have had a number of gems certified by GIA, who has issued special reports on many of our cobaltocalcites as especially notable specimens.

All items are in stock and available for purchase

 

Cobaltocalcite - 25.09 carats
# COB3780SP
20.26 x 16.74. x 10.22 mm
Untreated, Translucent
GIA Notable Letter
US $36,995.00
# COB0946RK
28.05 x 25.14 x 10.67 mm
GIA Notable Letter
US $32,950.00
Cobaltocalcite - 11.45 carats
# COB3632SP
17.33 x 12.14 x 7.95 mm
Untreated, Translucent
GIA Notable Letter
US $13,850.00
Cobaltocalcite - 6.61 carats
# COB9889OR
12.15 x 15.85 x 7.47 mm
Untreated, Translucent
GIA Notable Letter
US $7,995.00
Cobaltocalcite - 7.70 carats
# COB0200RK
13.37 x 10.00 x 7.72 mm
Untreated, Translucent
GIA Notable Letter
US $7,995.00
Cobaltocalcite - 5.93 carats
# COB1425BZ
15.64 x 11.78 x 6.01 mm
Untreated, Translucent
GIA Notable Letter
US $6,250.00
Cobaltocalcite - 7.65 carats
# COB1551BZ
13.14 x 11.13 x 6.76 mm
Untreated, Translucent
US $2,995.00
Cobaltocalcite - 9.62 carats
# COB9634OR
16.36 x 13.76 x 6.42 mm
Untreated, Translucent
US $2,950.00
Cobaltocalcite - 4.95 carats
# COB2775WD
9.71 x 9.44 x 8.12 mm
Untreated, Translucent
US $2,450.00
Cobaltocalcite - 4.13 carats
# COB9305BZ
10.35 x 9.48 x 5.42 mm
Untreated, Translucent
US $1,995.00
Cobaltocalcite - 5.14 carats
# COB1654BZ
11.21 x 9.50 x 6.41 mm
Untreated, Translucent
US $1,950.00
Cobaltocalcite - 3.84 carats
# COB9159RK
11.65 x 8.69 x 4.81 mm
Untreated, Translucent
US $1,725.00
Cobaltocalcite - 3.28 carats
# COB1128BZ
12.34 x 6.93 x 4.64 mm
Untreated, Translucent
US $1,475.00
Cobaltocalcite - 2.27 carats
# COB3732SR
16.39 x 4.58 x 3.58 mm
Untreated, Translucent
US $375.00