‎"BREWSTER, DAVID.‎
‎On the optical and physical properties of Tabasheer. Read May6, 1819.‎

‎(London, W. Bulmer and Co., 1819). 4to. No wrappers as extracted from ""Philosophical Transactions"" 1819 - Part I. Pp. 283-299.‎

Reference : 46549

‎First appearance. Brewster analyzes Tabasheer with his new crystallographic methods.Tabasheer, also spelt as Tabachir or Tabashir, is a translucent white substance, composed mainly of silica and water with traces of lime and potash, obtained from the nodal joints of some species of bamboo. It is part of the pharmacology of the traditional Ayurvedic and Unani systems of medicine of the Indian subcontinent. It is also an ingredient in many traditional Chinese medicines.‎