Contractions. - Calc. Ca-c.

Present name. - Calcic Carbonate. CaCo3.

Impure Carbonate of Lime.

Here also Hahnemann employed the impure Carbonate as it exists in the oyster-shell. Bruise a tolerably thick, well-cleaned oyster-shell, and before powdering it select the snow-white portion which exists between the inner and the outer surface, reduce it to a fine powder, place on a calico filter, wash with distilled water, and dry on a water-bath.

Preparation. - Trituration.

Reference to Horn. Proving. - Chr. Kr., iii.

Proper forms for dispensing. - lx to 3, Trituration only. 4, dilute Tincture only. 5 and upwards, Tincture, Pilules, or Globules.