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

 

# COB0946RK
28.05 x 25.14 x 10.67 mm
Untreated, Translucent
GIA Notable Letter
US $41,650.00
Cobaltocalcite - 6.61 carats
# COB9889OR
12.15 x 15.85 x 7.47 mm
Untreated, Translucent
GIA Notable Letter
US $13,795.00
Cobaltocalcite - 7.70 carats
# COB0200RK
13.37 x 10.00 x 7.72 mm
Untreated, Translucent
GIA Notable Letter
US $12,995.00
Cobaltocalcite - 5.93 carats
# COB1425BZ
15.64 x 11.78 x 6.01 mm
Untreated, Translucent
GIA Notable Letter
US $9,295.00
Cobaltocalcite - 9.62 carats
# COB9634OR
16.44 x 13.77 x 6.44 mm
Untreated, Translucent
GIA Notable Letter
US $3,870.00
Cobaltocalcite - 7.65 carats
# COB1551BZ
13.15 x 11.14 x 6.78 mm
Untreated, Translucent
GIA Notable Letter
US $3,295.00
Cobaltocalcite - 5.14 carats
# COB1654BZ
11.22 x 9.50 x 6.42 mm
Untreated, Translucent
GIA Notable Letter
US $2,950.00
Cobaltocalcite - 4.95 carats
# COB2775WD
9.72 x 9.45 x 8.12 mm
Untreated, Translucent
GIA Notable Letter
US $2,775.00
Cobaltocalcite - 3.84 carats
# COB9159RK
11.70 x 8.70 x 4.83 mm
Untreated, Translucent
GIA Notable Letter
US $2,545.00
Cobaltocalcite - 4.13 carats
# COB9305BZ
10.35 x 9.49 x 5.43 mm
Untreated, Translucent
GIA Notable Letter
US $2,125.00
Cobaltocalcite - 3.28 carats
# COB1128BZ
12.35 x 6.93 x 4.66 mm
Untreated, Translucent
GIA Notable Letter
US $1,886.00