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Detailed description of gold and salts of gold are described in the 5th chapter.
Similarly, detailed description of silver is given. Description of copper,
including metallurgy as in the other cases, tin metal, lead, iron, gold related
alloys are described in the next series of chapters, including gold ores,
metallurgy, purification, application properties and their medicinal uses. In the
21st chapter the description of sulphates of gold, copper, silver, tin, lead, and
zinc and 22nd chapter 22 types of brass are given.
Many types of jewels are described in the 23rd chapter including precious
stones of different variety.
The 24th chapter describes the poison of natural origin minerals and organic
types. Thus ends the rasatarangini.
Rasaratna deepika : This text <strong>book</strong> describes the production of mercury and
their properties and the properties, and medicinal application of gold, silver,
copper, zinc, sulphur and a variety of their alloys. The medicines, their
application and the precautions to be taken for the application/consumption of
the rasa based medicines are clearly mentioned in the <strong>book</strong>.
Rasendra Sarasangraha of gopala bhatta : Cassandra sarasangraha is a 13th
century chemistry and health based science <strong>book</strong>. The first chapter of the <strong>book</strong>
describes the mercury and detailed processing techniques of mercury,
including the extration and purification. In the second part, the processing of
sulfur and compounds with sulfar are described. Then the vajra processing and
manasila processing are explained, processing and compound formation with
silica, mica, sulphates, iron oxide, arsenic oxide, etc are given as vimala
sodhana-kaaseesa soodhana-maakshika sodhana-sila sodhana-tangana
sodhana-swarna, rajat, thmra, loha sodhanas, etc.
Further description is on the health science and medicines which are given in
the respective portion, below.
Rasakamadhenu : The chemistry <strong>book</strong> of the 17th century gives detailed
description of the yantras instruments-used in chemistry in the first part.
Followed by this, the mercury processing, detailed descriptions of various
types of poisons classification of materials, quality of chemistry teacher,
student, laboratory assistant and making of laboratory or workplace, etc. are
given.
Explanation of the iron, gold, silver, copper, zinc, lead brass and alloys of these
metals and their properties, quality description of vrious types of metals and
alloys are also given. Then the extracts of natural products and their
compounds are given, with reference to curative effect also.
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