Contributed by collector no. 4
Small rough chunks of slightly oxidized, slightly brassy Calcium metal in an ampoule
The Alkaline Earth Metals group: Beryllium , Magnesium , Calcium , Strontium , and Barium
Contributed by @plazmatter0430
Heavily tarnished chunks of Calcium metal under oil in a bottle. Calcium is difficult to keep shiny.
A bottle filled with heavily tarnished Calcium pieces and oil
Contributed by collector no. 3
The Alkaline Metals group: Beryllium , Magnesium , Calcium , Strontium , and Barium
Contributed by the site creator
Shiny crystals of slightly golden Calcium metal in an ampoule.
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