Assertion: glass's color | /r/ObjectUse | used striking colors
Facets:
Source sentences:
text: If silver based colors are used (striking colors), the bead must be heated for a few moments in the torch flame or kiln to allow crystals to reform in the glass.
text: If silver based colors are used (striking colors), the bead must be heated for a few moments in the torch flame or kiln to allow crystals to reform in the glass.