

Table of Contents
Bhasma – A Detailed Exposition
(From the perspective of an Ayurveda Rasashastra and Bhaishajya Kalpana Expert)

Bhashma: An Introduction
In Ayurveda, particularly in Rasashastra (the science of metals and minerals) and Bhaishajya Kalpana (the science of pharmaceutical preparations), Bhasma holds a unique and revered place. Bhasma refers to the calcined, incinerated, and purified form of metals, minerals, gems, shells, or even herbal substances, processed through elaborate purification (Shodhana) and calcination (Marana) techniques.
It is considered the nano-medicine of Ayurveda due to its micro-fineness, quick bioavailability, minimal dosage requirement, stability, and high potency.

Etymology & Definition
The word “Bhasma” originates from the Sanskrit root “Bhas”, meaning to burn, to incinerate, to reduce to ash.
Classical definition: “That which is subjected to proper incineration and converted into extremely fine, non-revertible, stable particles is called Bhasma.”

Preparation of Bhashma
Bhasma preparation is a multi-step process requiring skill, patience, and precision.
Shodhana (Purification & Detoxification):
Metals and minerals are detoxified using herbal juices, decoctions (Triphala, cow urine, sour gruel, buttermilk, etc.).
This removes impurities, reduces hardness, and enhances medicinal properties.

Marana (Calcination / Incineration)
Purified material is ground with herbal media, made into pellets, and subjected to controlled heating cycles (Puta).
This is repeated multiple times (10–100 cycles) until a stable, fine Bhasma is obtained.
Amritikarana (Potentiation)
In some cases, further processing is done with specific herbs or media to enhance safety, bioavailability, and therapeutic efficacy.

Properties of Bhashma
Sūkṣmatā (Micro-fineness): Nano to micro particle size ensures easy absorption.
Laghu & Potent: Highly effective in very small doses (milligram range).
Agnisaṃskāraja (Stability): Resistant to decay; long shelf-life.
Āśukāritva (Quick action): Rapid assimilation and therapeutic effect.
Yogavahitva (Synergism): Enhances potency of co-administered medicines.
Types of Bhasma
Based on source material:
Metallic Bhasma (Loha Bhasma): Suvarna (Gold), Rajata (Silver), Tamra (Copper), Lauha (Iron).
Gem Bhasma (Ratna Bhasma): Mukta (Pearl), Pravala (Coral), Vaidurya (Cat’s eye).
Mineral/Shell Bhasma: Shankha (Conch shell), Shukti (Oyster shell).
Herbal Bhasma: Arjuna Bhasma, Amalaki Bhasma.
Special Bhasma: Abhraka (Mica), Mandura (Ferric oxide), Vanga (Tin).
Therapeutic Applications
Suvarna Bhasma (Gold): Immunomodulatory, rejuvenative, aphrodisiac, improves intellect.
Rajata Bhasma (Silver): Nervous disorders, digestive weakness, mental instability.
Tamra Bhasma (Copper): Liver and spleen disorders, worm infestation, chronic fever.
Lauha Bhasma (Iron): Anemia, gynecological conditions, weakness.
Abhraka Bhasma (Mica): Respiratory disorders, tuberculosis, infertility, leucorrhea.
Mukta/Pravala Bhasma (Pearl/Coral): Hyperacidity, hypertension, heart diseases, mental calmness.
Testing & Standardization of Bhashma
Traditional Tests:
Rekhāpūraṇa: Fineness – particles settle in the furrows of fingers.
Nirutthatva: No reversion to metallic state upon strong heating.
Varna: Proper color according to classical texts.
Nistrikaṇatva: No grittiness in water suspension.
Modern Analytical Techniques:
X-Ray Diffraction (XRD)
Scanning Electron Microscopy (SEM)
Atomic Absorption Spectroscopy (AAS)
ICP-MS
These confirm nano/micro particle size, structural changes, and absence of toxicity.
Advantages and Challenges
Advantages:
High potency in minimal dose
Long shelf life
Quick absorption and action
Effective in chronic and complex diseases
Challenges:
Risk of toxicity if improperly prepared
Misuse without proper Shodhana and Marana
Skepticism in modern medicine about safety
Need for global standardization and scientific validation
Conclusion
Bhasma is the crown jewel of Rasashastra, representing Ayurveda’s advanced pharmaceutical wisdom. When properly prepared, it is safe, effective, highly potent, and bioavailable, with immense therapeutic applications.
In the modern era, integrating traditional Ayurvedic testing with advanced analytical technologies will help establish the credibility of Bhasma globally as a form of nano-medicine.
Thus, Bhasma stands as a bridge between ancient alchemy and modern pharmacology.

