This section is from the "Encyclopedia Of Practical Receipts And Processes" book, by William B. Dick. Also available from Amazon: Dick's encyclopedia of practical receipts and processes.
2036. To Dye or Stain Marble. Marble may be stained or dyed of various colors by applying their solutions to the stone made sufficiently hot to make the liquid just simmer on the surface. Success in the application of the colors requires considerable experience. By their skillful use a pleasing effect, both of color and grain, may be produced. The following are the substances usually employed for this purpose :
2037. Blue Stain for Marble. Tincture or solution of litmus, or an alkaline solution of indigo. (See No. 2036 (To Dye or Stain Marble).)
2038. Brown Stain for Marble. Tincture of logwood. (See No. 2036 (To Dye or Stain Marble).)
2039. Crimson Stain for Marble. A solution of alkanet root in oil of turpentine. (See No. 2036 (To Dye or Stain Marble).)
2040. Flesh Color Stain for Marble. "Wax tinged with alkanet root, and applied to the marble hot enough to melt it. (See No. 2036 (To Dye or Stain Marble).)
2041. Gold Color Stain for Marble. A mixture of equal parts of white vitriol, sal ammoniac, and verdigris, all in fine powder, carefully applied. (See No. 2036 (To Dye or Stain Marble).)
2042. Green Stain for Marble. An alkaline solution or tincture of sap green, or wax strongly colored with verdigris, or stain the stone first blue, and then yellow. (See No. 2036 (To Dye or Stain Marble).)
2043. Red Stain for Marble. Tincture of dragon's blood, alkanet root, or cochineal. (See No. 2036 (To Dye or Stain Marble).)
2044. Yellow Stain for Marble. Tincture of gamboge, turmeric, or saffron. (See No. 2036 (To Dye or Stain Marble).)
2045. Acids Injurious to Marble. Marble being a carbonate of lime, and the two substances not having a very great affinity, care should be taken in the use of marble furniture and ornaments, as tables, mantels, statuary, etc. Acids of any kind will more or less affect marble, and they should not be allowed to touch it. The slabs on which acids are allowed to stand soon lose their polish, and are liable to a degree of disintegration which impairs their beauty. Fruits, sauces, vinegar, etc., should not be allowed to come in contact with a marble-topped table or shelf. .
2046. To Polish Meerschaum. The dust of meerschaum is the best article for this purpose.
2047. Artificial Meerschaum. Artificial meerschaum may be made by immersing carbonate of magnesia in a warm solution of silicate of soda or potash for some time, or by precipitating from a solution of epsom salts by means of the silicates.
 
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