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Reference.org
Spherocobaltite
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<p>Spherocobaltite or sphaerocobaltite is the mineral form of <a href="/facts/Cobalt(II)_carbonate/7tHMl0l3">Cobalt(II) carbonate</a> (CoCO3). It is a <a href="/facts/Cobalt/gqhScEw4">cobalt</a> bearing member of the <a href="/facts/Carbonate_minerals/8DUmuAhp">calcite group of carbonate minerals</a>, crystallizing in the <a href="/facts/Trigonal/sSSok8wo">trigonal crystal system</a>. Rare specimens of pure spherocobaltite typically show a <a href="/facts/Rose_(color)/ogRMPvnf">rose</a>-<a href="/facts/Red/gLnFAVx4">red</a> color, but the color range of impure specimens extends to shades of pink and pale brown. </p>