There are only two ores of tin: the peroxide, tin-stone, or Cassiterite; and tin pyrites, sulphide of tin, or Stannine: the former of which alone has been found in sufficient abundance for metallurgical purposes. (Andrew Ure)

There are only two ores of tin: the peroxide, tin-stone, or Cassiterite; and tin pyrites, sulphide of tin, or Stannine: the former of which alone has been found in sufficient abundance for metallurgical purposes.

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abundance cassiterite found former peroxide pyrites stannine sulphide tin

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