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Ojuela Mine, Mapimi, Mun. de Mapimi, Durango,
Mexico Crystals of pink
cobaltoan smithsonite on
matrix Apple-green
cuprian smithsonite crystals. A second...
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calcite crystals from China. Its red
color is due to the
presence of iron
Cobaltoan, the cobalt-rich
variety of
calcite Sand
calcites (calcites
heavily included...
- A
specimen of
Kolwezite (green), a rare copper-cobalt
mineral named after Kolwezi, and pink
cobaltoan calcite....
- pyrrhotite, pyrite, sphalerite, millerite, gersdorffite, ullmannite,
cobaltoan calcite, and with
linnaeite group members linnaeite,
siegenite and polydymite...
-
measured value is less for
ordinary talmessite, at 3.42 and more for the
cobaltoan variety, at 3.57. The
mineral displays polysynthetic twinning. It is not...
-
Cobaltoan dolomite, 11 × 8 × 4.3 cm,
Kolwezi Mine,
Lualaba District,
Democratic Republic of the Congo...
- Ruby
Spherocobaltite crystals in a vug
lined with
microcrystals of pink,
cobaltoan dolomite from
Kakanda Mine at
Kambove in Katanga...
-
Cobaltoan calcite, Bou
Azzer District, Tazenakht,
Ouarzazate Province, Souss-M****a-Draâ Region, Morocco...
