Slate flour
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Description
A dark green to black finely ground powder of slate. Slate flour is used as a filler in rubber and plastics. Green slate contains a significant amount of chlorite, a dark green clay mineral.
Synonyms and Related Terms
green slate; poudre d'ardoise (Fr.)
Sources Checked for Data in Record
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Website address 1 Comment: Olympus Microscopy Resource Center at http://www.olympusmicro.com/galleries/polarizedlight/pages/slategreensmall.html (Accessed Sept. 17, 2005)