Cobalt [27]

  This page will contain all my samples of the element Cobalt (Co).

Pure electrolytic cobalt metal flakes and pieces.

Composition: Co

Impure cobalt metal prepared by an aluminothermic reduction of cobalt (II,III) oxide.

Composition: mostly Co

HSS-Co steel drilling-tapping bit.

Composition: Fe with alloying elements - Co, W, V, Mo, Ni, Cr, Si etc.

Cobalt glass marble.

Composition: contains Co2+ ions

A small bottle made of cobalt glass doped with CoO.

Composition: contains Co2+ ions

Lilac colored cubic zirconia stone doped with cobalt (III) oxide.

Composition: ZrO2, contains Co3+ ions