G'day. I have been seeing comments on dichroic glass. Now
I thought that dichroism simply meant a transparent material
which has more than one refractive index depending on the
presentation of a light ray to a particular crystal plane -
emerald is an example I have in mind, where the emergent rays
can be bright green or an olive colour. But I get the
impression that the dichroic glass referred to in this forum
isn't quite like that. I have seen glass which is still
transparent but has a kind of metallic blue, yellow or magenta
appearance on the surface. Is that what is meant? Enlighten
my darkness I beseech thee.... >>
I'll give it a shot, John, tho' I'm sure there are others more
experienced hanging around the Forum.
I was told dichroic means two colors and your scientific
explanations sounds real close. If you look at these fused glass
pendants, beads, cabs, etc. with the light shining through them,
they will be different in color than if the light is being
refracted off them.
I don't suppose you get Lapidary Journal on the other side of
the globe, do you? There was an article in the August issue that
had some photos that would give you a good look at what can be
done with it.
My 3-hour workshop taught us how to fuse together different
colors, even different textures of glass getting some very nice
and often vibrant effects. Say, you might start with a bottom
sheet of opaque black glass, put some bits of metallic colored
glass on top of that and lay a clear layer on top of that. After
firing you have some nice shiny colorful glass with "depth" to
Hope this rough explanation didn't add to your questions!