Glass Tips from Verrier

  A question about why a tack fused 6mm/0.25” piece of combined dense white and black in a slump firing broke has been raised.  Other pieces...

“I have been advised in the past, that blue fires quicker. I was told this by a Master glass maker.” Viscosity has some relation to colo...

Sometimes you do not have a tone or shade of a colour you need for your project.   Other times you want to have a gradation of shade acr...

What is it?         How permanent is it? “Many special effects can be applied to glass to affect its colour and overall appear...

Black and white are at almost opposite ends of the viscosity spectrum in glass terms. Black is the runniest, and white is the stiffest. ...

Yes, much glass is striking in its effect.   But the term is used in a technical sense to indicate the glass has not reached its intended ...

I’ve been asked the question “ is there is differential in specific gravity as related to COE or colorant used in the glass (white opal v...

Sometimes an already fused and slumped clear piece needs colour for interest, definition, etc. The problem is how to do it without alteri...

Inclusions of metals can be achieved with care.  Copper is a very good metal, as it is soft, even though its expansion characteristics are v...

Chiaroscuro – This word borrowed from Italian ("light and shade" or "dark") refers to the modelling of volume by boldly ...

There are many minerals and chemicals that are used to give glass its variety of colour.   This note attempts to give information on the mo...