Calcii Fluoridum. Calcium Fluoride. Calcarea Fluorata.

Common Name

Fluorspar. Fluoride of Lime.

Chemical Properties

Formula, Ca F2. Specific gravity of crystals, 3.4. It contains 58.21 parts of calcium. It occurs in nature in mineral fluorspar; it is beautifully crystalline, crystallizing in various colors and in cubical or octahedral form. It is practically insoluble in water, but is decomposed by sulphuric acid generating hydrofluoric acid.


Selected pieces of crystal fluorspar are prepared by trituration, as directed under class VII American Pharmacopoeia.

Physiologico-Chemical Data

Cede, fluor. is found in the surface of the bones and in the enamel of the teeth. It is also a constituent of the elastic fibres and of epidermis. Elastic fibres are found in the skin, in the connective tissue, and in the vascular walls.

A disturbance of the equilibrium of the molecules of Calc. fluor. causes a continued dilatation, or chronically relaxed condition, of the implicated fibres. If the elastic fibres of any portion of the vessels of the connective tissue or of the lymphatic system have arrived at such a condition of relaxation, the absorption of a solid exudation in such a part cannot take place. In consequence, induration of the parts sets in. When the elastic fibres of the blood vessels suffer a disturbance of the molecules of Calc. fluor., such pathological enlargements of blood vessels take place, which make their appearance as hemorrhoidal tumors, varicose and enlarged veins and vascular tumors, and indurated glands.

Loss of Calcar. fluor. in the system is thus seen to be followed by:

1. A hard, knotty exudation on the surface of a bone.

2. A relaxation of the elastic fibres, hence dilatation of vessels, relaxation and displacements of the uterus, relaxation of the abdominal walls, hence "hanging belly," hemorrhage of womb; all absence of after pains.

3. Exudation of Keratin from the cells of the epidermis. (Keratin is contained in the skin, hair and nails.) The exudation dries readily and forms an adhering crust Frequently found in the palms of the hands, which, through labor, form fissures and cracks.

In regard to the resorption of induration, two possibilities are to be thought of:

(a) The elastic fibres near the induration have lost their functional ability on account of the pressure exerted. Molecules of Calcar. fluor. administered restore their functional integrity and thus are enabled to throw off the exudation, which will then be absorbed by the lymphatic vessels.

(d) By means of the volumetric force of Carbonic acid contained in the blood a part of the Fluorine is split off the fluoride of lime, this combines with nascent Hydrogen, forming Hydrofluoric acid, which gradually dissolves the molecules of the morbid product, and these are taken up by the lymphatics. The part played by the Carbonic acid can be assumed by Sulphuric acid as well. The latter is formed during the oxidation of albuminoids.

In a similar manner, as explained under b, it is possible for Calcar. fluor. to bring about solution of a laryngeal croupous or diphtheritic exudation.

General Action

Diseases having their seat in the substance forming the surface of bone, enamel of the teeth, and part of all elastic fibres, whether of the skin, the connective tissues, or the wails of the blood vessels, etc. Thus: all ailments which can be traced to relaxed conditions of any of the elastic fibres, including dilatation of the blood vessels, arterial and venous blood-tumors and piles, varicose and enlarged veins, indurated glands of stony hardness. Malnutrition of bones, especially of the teeth. Exostosis after injuries. Pendulous abdomen. Uterine displacements, etc. Indurations.

Guiding Symptoms And Characteristic Indications. Menial Symptoms

Great depression, groundless fears of financial ruin. Indecision. Disposition to seta higher value on money than natural to him.

Head And Scalp

Blood-tumors on the parietal bones of newborn infants, on a rough, bony base. Bruises of the bones of the scalp, with hard, rough, uneven lumps. Hard excrescences on the scalp. Cephal-hsematoma. Ulcers of the scalp with callous, hard edges. Headache with faiutish nausea in afternoon, better in the evening. In a proving by Dr. Sarah N. Smith the following symptom was quite constant: "A sort of creaking, straining and drawing, similar to the noise made by a cornstalk fiddle and greatly interfering with sleep".


Flickering and sparks before the eyes, spots on the cornea, conjunctivitis. Blurred vision after using eyes, eyeballs ache, better closing eyes and pressing lightly. Cataract. Enlarged meibomian glands. Cases of partial blindness. Dimness of vision from overstraining the eyes. Tumors of the eyelids.


Calcareous deposits' on the tympani. Mastoid disease when periosteum is affected.


Cold in the head, ineffectual desire to sneeze, stuffy cold, dry coryza, ozasna. Copious, offensive, thick, greenish, lumpy, yellow nasal discharge. Osseous growths. Affections of nasal bones; odor of dead bone disappears after use of the remedy. Adenoid growths in post-nasal space and pharynx.


Hard swelling on the cheek with pain or toothache, hard swelling on the jawbone, cold sores rather small, hard herpetic sores on lips from cold, not diffused like Natr. mur.


Gumboil with hard swelling on the jaw, stony hard swelling on the jawbone. Cold sores at corner of month. Great dryness of mouth.


Cracked appearance of the tongue with or without pain. Induration of the tongue, hardening after inflammation.


Enamel of the teeth rough and deficient. Unnatural looseness of the teeth with or without pain, teeth become loose in their sockets. Malnutrition of the teeth. Toothache with pain if any food touches the tooth. Toothache with a looseness of the teeth.