I think it needs a bit of dispersion (1.1, 50 samples)
and maybe a normal ( something like bump 0.1 scale 100 )
so that it warps very gently the surface of the stone.

This should produce interesing highlights.

Best,

    S.

--
Steven Pigeon, Ph. D.
ste### [at] stevenpigeoncom
ste### [at] videotronca
"Andrew C on Mozilla" <voi### [at] devnull> wrote in message
news:409e0084@news.povray.org...
> Hi folks.
>
> This is supposed to be a an extreme closeup of a small gemstone (a few
> mm across), set in a gold setting. But it looks nothing like that - and
> I can't figure out why.
>
> The stone doesn't look remotely gem-like. Can't figure that out. It's
> transparent, reflective, and reflective. What am I missing?
>
> The setting doesn't look like gold. I've fiddled with brilliance,
> specular, roughness, reflection, and turned on metallic (as well as
> conserve_energy). Still doesn't look remotely like metal. Why?
>
> Also can't figure out why the metal setting apparently isn't resulting
> in any photons. (It makes the photon process hundreds of times slower -
> that is, I had to multiply the photon spacing a few hundred times to get
> it to render this year.)
>
> This was supposed to end up being a single link in a bracelet - but it
> looks so rubbish I hadn't get that far yet.
>
> Any ideas?
> Andrew @ home.
>
>


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