Crushed and cleaned cold black opal in either Fine(~0.3-1mm) or Powder(<0.2mm). Fine opal is great for filling channels larger than 1mm, while powdered opal can be used before fine opal to give better coverage and also fill channels <1mm in width.
All materials ship for free in the United States. All material orders will ship same day if placed before 3 p.m. CST, otherwise the next business day. Any additional taxes or tariffs on international orders are the responsibility of the buyer.