- Allen HC — The keynotes that separate this remedy from its nearest neighbours.
“Pure Silica. (Silicic Oxide) Adapted to the nervous, irritable, sanguine temperament; persons of a psoric diathesis. Persons of light complexion; find, dry, skin; pale face; weakly, with lax muscles. Constitutions which suffer from deficient nutrition, not because food is lacking in quality or in quantity, but from…”
- Allen TF — A compiled symptom record drawing on proving reports and other named observations.
“Silicic acid, Kieselerde. Preparation , Triturations of pure precipitated Silica. Authorities. (Nos. 1 to 7 a , from Hahnemann). 12 to 26 , from Ruoff's provings, Hygea, 8, 1, 1838); [The higher dilutions were prepared after Hahnemann's method, except that 2 to 3 drops were used to each dilution; the 1st, 2d, and 3d…”
- Boericke — The quick clinical read — keynotes, modalities and the conditions it is actually prescribed in.
“Silica. Pure Flint (SILICEA) Imperfect assimilation and consequent defective nutrition. It goes further and produces neurasthenic states in consequence, and increased susceptibility to nervous stimuli and exaggerated reflexes. Diseases of bones, caries and necrosis. Silica can stimulate the organism to re-absorb…”
- Boger (Syn) — Generals and modalities in a short analytical portrait rather than a symptom list.
“NUTRITION. Children. Tissues: Elastic. Cellular. NERVES. GLANDS. Tubes: Eustachian. Tear ducts, etc. Fistulæ. Bones. Cartilage. Mucous membranes. Skin. COLD CHANGES: AIR. DRAFTS. Damp. Uncovering. Bathing. Checked sweat, < feet. Sensitive to: Nervous excitement. Light. Noise. Jarring spine. Change of moon. Night…”
- Clarke — The widest entry — sources, provings, clinical uses, relationships and antidotes in one place.
“Silicea terra. Pure Flint. Silex. Silicic anhydride. Silicon dioxide. SiO 2 . Trituration of pure, precipitated Silica. Abdomen, distended / Abscess / Acne / Anæmia / Ankles, weak / Anus, fissure of; fistula of / Appetite, depraved / Back, weakness of / Boils / Bones, necrosis of / Brain, concussion of / Brain-fag /…”
- Farrington — The differential diagnosis — remedy families narrowed through direct clinical comparison.
“SILICEA. Silicea: Asafoetida, Phosphorus, Conium, Graphites; Sulphur, Calcarea ostr., Lycopodium; Gettysburg water. Silicea < Mercurius. Silicea in its crude state is inert. It is insoluble, and hence has very little effect on the system. When potentized according to the formula of Hahnemann it becomes one of the most…”
- Guernsey — The leading characteristics — a compact bridge from repertory result to remedy study.
“Eyes.--Dazzling of the eyesight; blindness, and momentary attacks of blindness; spotted vision, i.e., on looking at an object, spots appear before the eyes; eyes water very much; dimsightedness; amaurosis. Affections appearing in the angles of the eye, in the region of the tear-duct. Ears.--Hardness of hearing…”
- Hahnemann (CD) — The antipsoric proving record — Hahnemann's later materia medica in its chronic-disease setting.
“SILICEOUS EARTH. Take half an ounce of rock-crystal which has been comminuted by repeated heating and immersing in cold water, or clean, white sand, washed with distilled vinegar ; this is mixed with two ounces of powdered natrum, melted in an iron crucible, till all effervescence is over and the liquefied mass is…”
- Hering — Graded symptoms, each weighted by how often provers and practice confirmed it.
“Pure Silica triturated. Introduced by Hahnemann. Provings by Hahnemann, Froissac, Goullon, Gross, Hering, Stapf, Wahle, Knorre, Ruoff, Baker, Robinson (with high dilutions), see Allen's Encyclopædia, vol. 9, p. 1 . CLINICAL AUTHORITIES. Mental disturbance , Jahr, B. J. H., vol. 12, p. 476 ; Vertigo , Martin, T. H. M…”
- Kent — The mental and general picture — how Kent organizes the remedy’s historical symptom portrait.
“The action of Silica is slow. In the proving, it takes a long time to develop the symptoms. It is, therefore, suited to complaints that develop slowly. Generalities: At certain times of the year and under certain circumstances peculiar symptoms will come out. They may stay with the prover the balance of his life. Such…”
- Lippe (KN) — Only the symptoms Lippe considered reliable enough to prescribe on.
“He catches cold easily, especially when he uncovers his feet and head. Stitches in all the joints at night. Many complaints in those of the scrofulous habit favorably affected. Lameness in the limbs in the evening. Weakness with associated sleepiness. Congestion and thirst after drinking but little wine. Restlessness…”
- Lippe (MM) — The strict Hahnemannian reading — the symptom picture without clinical interpretation.
“Desponding, melancholy, tired of life. Yielding, anxious mood. Compunction of conscience about trifles. The child becomes obstinate and headstrong; cries when kindly spoken to. Vertigo, as if one would fall forward; when stooping, riding, raising the eyes upwards; ascending from the neck to the head, with nausea…”
- Lippe (Red) — Keynotes with the most-trusted ones marked as red-line symptoms.
“Common names: silica; pure flint. Want of animal heat; always chilly, even when exercising (N.). Ailments following vaccination, abscesses, etc., even convulsious (N.). Many complaints in those of the scrofulous habit favourably affected. He catches cold easily, especially when he uncovers his feet and head (Psor.)…”
- Nash — The comparisons — the remedy set beside the ones it is most often confused with.
“Weak, puny children; not from want of nourishment taken, but defective assimilation. Inflammations tending to end suppuration or refusing to heal; becoming chronic. Coldness, lack of vital warmth, even when taking exercise; must be wrapped up, especially the head, which >. Suppressed sweats, especially of feet, which…”
- Nash (Respiratory) — The respiratory picture — the cough, the breathing, and the expectoration that separate one remedy from another.
“Silicea. Chronic coryza, ulcers high up in the nose, fetid, offensive discharges, caries of bones, from syphilis or scrofula. > from having head wrapped up warm. Silicea is another remedy which, like Calcarea and Lycopodium, cures cases the result of mal-assimilation, and change the whole being of its subject from a…”
- Nash (Typhoid) — The course of the illness — which remedy fits which phase, and why.
“Silicea.—I have also had occasion to use this remedy in a very obstinate and long running case of this disease, in which the patient was greatly reduced and had very profuse sweating. He also wished to be constantly rubbed, or magnetized, and seemed greatly comforted thereby. A few doses of Silicea 6m., Jenichen…”
- Roberts — Location, sensation, and modality — the three-fold basis Roberts used to separate remedies.
“Silica is of value in gouty conditions and in gonorrhœal rheumatism, especially where it affects the fibrous tissue and the knee joints. The indications for Silica, especially in chronic conditions, are characteristic and not to be overlooked, and they stand out as sharply in the rheumatic and gouty conditions as in…”
- Tyler — The whole picture — temperament and leading symptoms drawn as one portrait.
“TYPICAL Silica crawls nervously in, or is dragged in on his mother’s hand, and you can hardly miss him. He is the most homoeopathic drug you can imagine! Read the black type only in Allen’s Cyclopedia, and see how extraordinarily suggestive the provings are in regard to tuberculosis, especially abdominal; to pustules…”