Significance of Black variety
The term Black variety in Ayurveda pertains to a specific phylogenetic type of turpeth known for its strong effects, including stupor and distress. In Rasashastra, it encompasses several rare substances, such as a unique form of sulphur beneficial against senility and death, a distinctive type of quartz from sapphire mines in Ceylon, and commendable types of Kanta iron for medicinal use. Additionally, it references the black variety of batsa-nabha and a type of diamond believed to combat diseases and senile decay.
The below excerpts are indicatory and do represent direct quotations or translations. It is your responsibility to fact check each reference.
Hindu concept of 'Black variety'
The Black variety in Hinduism encompasses various unique substances, including a rare sulphur for longevity, medicinal plants, a disease-fighting diamond, and beneficial minerals, illustrating its importance in overcoming life challenges and enhancing health.
From: Rasa Jala Nidhi, vol 3: Metals, Gems and other substances
(1) One of the color variants of Vaikranta that is noted for being beneficial to health.[1] (2) A type of amorphous stone known specifically as 'bhramara-mani' or black-bee stone, noted for its uniform black appearance.[2] (3) A type of Kanta iron considered commendable in medicinal applications.[3] (4) A type of diamond that is considered a destroyer of diseases and a preventer of senile decay.[4] (5) A type of quartz that is found in sapphire mines in Ceylon, characterized by its black color.[5]
From: Rasa Jala Nidhi, vol 2: Minerals (uparasa)
(1) A rare form of sulphur that has notable properties in overcoming senility and death.[6] (2) The black variety of Kasisam is called dhatu-kasisa and mukta-kasisa.[7]
From: Charaka Samhita (English translation)
(1) Refers to the specific phylogenetic type of turpeth that can cause intense effects like stupor and distress.[8]