Bronze/Bell Metal: Benefits, Uses & Dosage

Sanskrit: कांस्य Botanical: Bronze (Cu-Sn alloy)

Last updated:

Ayurvedic Properties

Taste (Rasa)
Bitter (Tikta), Astringent (Kashaya)
Quality (Guna)
Light (Laghu), Dry (Ruksha)
Potency (Virya)
Hot (Ushna)
Post-digestive (Vipaka)
Pungent (Katu)
Key Constituents
Copper-tin alloy
Also Known As
English: Bell Metal, Bronze
Sanskrit: कांस्य, घण्टालोह
Hindi: कांसा

What is Bronze/Bell Metal (Kansya / कांस्य)?

Kansya (Bell metal/Bronze) is an alloy of copper and tin. It produces a resonant bell-like sound when struck. Kansya Bhasma is used in eye diseases, worm infestations, and as a Lekhana (reducing/scraping) agent in obesity. Food cooked in bronze vessels is considered beneficial for intellect. Verses: 48.

Source: Bhavaprakash Nighantu, Varga 7

Therapeutic Actions (Karma)

  • Krimighna (anthelmintic)
  • Netrya (beneficial for eyes)
  • Lekhana (scraping/reducing)

Source: Bhavaprakash Nighantu, Varga 7

How to Use Bronze/Bell Metal by Condition

Explore how Bronze/Bell Metal is used for specific health concerns — with dosage, preparation methods, and classical references for each.

Classical Text References (3 sources)

References in Astanga Hridaya Sutrasthan

Ghee kept in bronze vessel for more than 10 days should not be taken.

— Astanga Hridaya Sutrasthan, Anna Raksha Vidhi

Tikta Gana – group of bitters :त तः पदोल ाय ती वालकोशीर च दनम ् भू न ब न ब कटुका तगरा गु व सकम ् न तमाला वरजनी मु त मूवाट पकम पाठापामागकां यायोगुडू चध वयासकम ् प चमल ू ं महा या यौ वशाल अ त वषावचा Patoli, Trayanti – Gentiana kurroa, Valaka, Usira – Vetiveria zizanioides, Chandana – Sandalwood, Bhunimba – The creat (whole plant) – Andrographis paniculata, Nimba – Neem – Azadirachta indica, Katuka – Picrorhiza kurroa, Tagara – Indian Valerian (root) – Valeriana wallichi, Aguru, Vatsaka – Hol

— Astanga Hridaya Sutrasthan, Rasabhediyam Tastes, Their

Source: Astanga Hridaya Sutrasthan, Anna Raksha Vidhi; Rasabhediyam Tastes, Their

References in Charaka Samhita

A woman desirous of having a male child with large limbs, fair complexion, with eyes like those of a lion (full of vigor), pure, and with good mental disposition should, after her menstrual period, first take a purificatory bath, then be given a light porridge of well cleaned white barley grains duly sweetened by adding honey and ghee, diluted in the milk of a white cow having a white calf, in a utensil made of silver or bronze, regularly in the morning and evening for a week.

— Charaka Samhita, Sharira Sthana — Human Body & Embryology, Chapter 8: Guidelines for Lineage (Jatisutriya Sharira / जातिसूत्रीय शरीर)

golden, silver, bronze vessels with cold water, breeze, and ice bags;

— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 24: Alcoholism Treatment (Madatyaya Chikitsa / मदात्ययचिकित्सा)

Source: Charaka Samhita, Sharira Sthana — Human Body & Embryology, Chapter 8: Guidelines for Lineage (Jatisutriya Sharira / जातिसूत्रीय शरीर); Chikitsa Sthana — Therapeutic Principles, Chapter 24: Alcoholism Treatment (Madatyaya Chikitsa / मदात्ययचिकित्सा)

References in Sushruta Samhita

A bronze-colored, water-drop-like lesion in the white of the eye, not soft, painless — this should be known as balasaka (kapha-based growth).

— Sushruta Samhita, Uttara Tantra, Chapter 4: Shuklagata Roga Vijnaniya Adhyaya (Chapter on Diseases of the Sclera/White of the Eye)

Pitta-type circle is bluish, bronze-colored, or yellow.

— Sushruta Samhita, Uttara Tantra, Chapter 7: Drishtigata Roga Vijnaniya Adhyaya (Chapter on Diseases of Vision/Pupil)

Iron filings, copper dust, neem exudate collyrium, tin, and bronze residue — ground with flower juice.

— Sushruta Samhita, Uttara Tantra, Chapter 12: Raktabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Blood-type Conjunctivitis)

Ghee mixed with bronze residue, or breast milk with saindhava (rock salt), or madhuka (licorice) extract with honey in equal parts, or with gairika (red ochre).

— Sushruta Samhita, Uttara Tantra, Chapter 12: Raktabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Blood-type Conjunctivitis)

ghee combined with bronze residue, or breast milk with saindhava (rock salt).

— Sushruta Samhita, Uttara Tantra, Chapter 12: Raktabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Blood-type Conjunctivitis)

Source: Sushruta Samhita, Uttara Tantra, Chapter 4: Shuklagata Roga Vijnaniya Adhyaya (Chapter on Diseases of the Sclera/White of the Eye); Uttara Tantra, Chapter 7: Drishtigata Roga Vijnaniya Adhyaya (Chapter on Diseases of Vision/Pupil); Uttara Tantra, Chapter 12: Raktabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Blood-type Conjunctivitis)

Medical Disclaimer: The information on this page is for educational purposes only and is not intended as medical advice. Ayurvedic treatments should be pursued under the guidance of a qualified practitioner (BAMS/MD Ayurveda). Always consult your healthcare provider before starting any new treatment. Content is sourced from classical Ayurvedic texts and may not reflect the latest medical research.