Kǒng Gōng Niè is a traditional Chinese medicinal material. It is the stalactitic aggregate of the mineral calcite (Stalactite), belonging to the carbonate class and calcite group, specifically referring to the middle thinner part or hollow portion. Because there are hollow passages penetrating through the stone, it is also known as "Tōng Shí" (Penetrating Stone). It was first recorded in Shennong Bencao Jing (The Divine Farmer's Materia Medica).

Efficacy & Actions

Warms Yang and disperses cold, resolves stasis and dissipates masses, and detoxifies.

Indications

Cold pain in the lower back and knees, abdominal masses, indigestion, malignant sores, hemorrhoids and fistulas, and insufficient lactation.

Modern Pharmacology

Its main component is calcium carbonate (CaCO₃). It is warm in nature, and traditionally it is considered to have the effects of warming and unblocking to disperse cold, and resolving stasis and dissipating masses.

Ingredients

This product is mainly composed of calcium carbonate (CaCO₃). Its crystal structure belongs to the trigonal system, with a relative density of 2.6–2.8.

Usage & Dosage

For oral administration: decoct in water, 9–15 g, crushed and decocted first; ground into powder, 1.5–3 g; or made into pills or powders. For topical application: appropriate amount, ground into powder and mixed with a suitable base for application.

Contraindications

Contraindicated in patients with Yin deficiency and fire hyperactivity. Contraindicated in patients with exuberant Lung heat. Contraindicated during pregnancy. Should not be used together with Asarum (Xixin), as recorded in Bencao Jing Jizhu (Miscellaneous Records of the Materia Medica Classic): "incompatible with Xixin". Avoid consuming sheep's blood, as recorded in Yaoxing Lun (Treatise on Medicinal Properties).

Selected Formulas

For wind-dampness with weak feet (Zhouhou Fang) Take 2 jin of Konggongnie (stalactite, also known as钟乳石), 5 liang of Shihu (Dendrobium nobile), and 2 dou of wine. Soak and take.

Medicinal Parts

It is the stalactitic aggregate of the mineral calcite (carbonate class, calcite group), specifically the middle thinner part or hollow portion.

Selection & Storage

Store in a dry place, protected from dust and moisture.