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 samples certified by GIA, who has issued special reports on our larger cobaltocalcites as especially notable specimens. We can obtain reports from GIA on gems that have not yet been certified. See a sample GIA Cobaltocalcite Report

 

Cobaltocalcite - 29.88 carats
# COB3780SP
21.36 x 18. x 10.58 mm
Untreated, Translucent
$9,599.00
Cobaltocalcite - 13.03 carats
# COB2951WD
17.21 x 13.87 x 7.49 mm
Untreated, Translucent
$4,889.00
Cobaltocalcite - 11.45 carats
# COB3632SP
17.33 x 12.14 x 7.95 mm
Untreated, Translucent
$4,299.00
Cobaltocalcite - 7.65 carats
# COB1551BZ
13.14 x 11.13 x 6.76 mm
Untreated, Translucent
$2,250.00
Cobaltocalcite - 5.93 carats
# COB1425BZ
15.62 x 11.74 x 6 mm
Untreated, Translucent
$1,750.00
Cobaltocalcite - 5.14 carats
# COB1654BZ
11.21 x 9.50 x 6.41 mm
Untreated, Translucent
$1,499.00
Cobaltocalcite - 4.95 carats
# COB2775WD
9.71 x 9.44 x 8.12 mm
Untreated, Translucent
$1,255.00
Cobaltocalcite - 4.13 carats
# COB9305BZ
10.35 x 9.48 x 5.42 mm
Untreated, Translucent
$999.00
Cobaltocalcite - 3.28 carats
# COB1128BZ
12.34 x 6.93 x 4.64 mm
Untreated, Translucent
$850.00
Cobaltocalcite - 2.38 carats
# COB1289BZ
11.39 x 8.30 x 4.52 mm
Untreated, Translucent
$798.00
Cobaltocalcite - 2.31 carats
# COB7604SR
10.42 x 7.53 x 4.09 mm
Untreated, Translucent
$585.00
Cobaltocalcite - 2.14 carats
# COB7722SR
9.27 x 7.45 x 4.79 mm
Untreated, Translucent
$525.00
Cobaltocalcite - 2.27 carats
# COB3732SR
16.39 x 4.58 x 3.58 mm
Untreated, Translucent
$350.00
Cobaltocalcite - 1.62 carats
# COB5965OR
7.70 x 7.71 x 4.55 mm
Untreated, Translucent
$250.00
 
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