#talc__talcum  a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder
  supertype:  #mineral  solid homogeneous inorganic substances occurring in nature having a definite chemical composition
  substance of:  #talcum_powder
  subtype:  #soapstone__soaprock__steatite  a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments
  subtype:  #French_chalk  a soft white compact talc used to mark cloth or to remove grease stains
  subtype:  #rensselaerite  a kind of soft talc; sometimes used as wood filler

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