Hint 1
Picture made in my apartment
you can see the most of what you can choose in my signature
The ceramic layer of some MCPCB?
EDIT: Looks like the camera is looking through a anti-reflective layered glass at ‘the thing’.
I see this:
No I made this photo from a sanded PCB here
MCPCB has solid metal core, the insulator if ceramic is solid with no structure
And what is it?
Sorry I have not done any alien autopsy and made pictures how they look inside
It’s your ceiling lamp
Kinda looks like an ice on window!
Looking thru dcfix at another light.
It looks like a deeply textured wall to me 
Ceiling light and my work light
CRI98 ceiling, work light CRI95+
Ice at +10°C very unlikely, I am living in Germany not Siberia or Antarctica
looks different
see pictures above wall textures are in all rooms similar
Looks like a OP-like reflector through an AR coated lens.
Similar look but NO!
Inside of a bowl/mug/plate/crockery set piece.
No, it has nothing to do with anything in my kitchen or stuff related to it
Microscope picture of LED substrate metalized layer.
No,
XHP50 autopsy with some sanding to look inside
but here some of UV LEDs
Could it be colorful anodisation ?
I was thinking of the underside of a chip or the ceramic substrate side.
that’s remind me of my ex