Is the chain on the bracelet solid or made from tubes,can't tell if it's the lighting in the photo or poor soldering. The soldering look poor on a...
An ophthalmologist is a medical doctor and in most cases would not know anything but modern types of bifocals. An optician might know something...
What type of bifocal is it? The photo really doesn't show it....
High quality Lapis does not have pyrite in it.
What cut does the diamond have? It is not constructed the way most pieces of the 1920's would have been made,it appears to have been cast and not...
The iridescent ones were made like Mystic Topaz with a titanium coating,see link........
The carved lines have been eroded on the sides.The copper part has been attached with copper pins.
Looks more like poor repairs and solder flow.
Could also be called carnelian... [ATTACH]
If it were solid you would not see an open seam starting half way up the inside of the shank.
The top half seems to be 2 pieces and it's hollow.Can't tell from the photos if it has had a half shank added,it has been sized. There are 2+?...
How do you explain the construction of the ring,I have never seen another example like this one.
Onyx is black/black and white banding,your stone possibly might be dyed chalcedony.
Yes, if they were made before 1970 and have no/minus prescription the center is probably below 2mm thick and not heat treated.
If the lenses are glass they probably are not safe to wear.
It's a Dung beetle.
Possibly fiber optic cat's eye... https://www.google.com/search?client=firefox-b-1-d&q=fiber+optic+cat%27s+eye
Wood carving with chisels,cabinet making,similar piece... https://www.workshopheaven.com/workshop-heaven-3-1-2-round-beech-mallet/...
It's jasp agate ,no reason to be confused.
Jasp agate..... https://www.google.com/search?client=firefox-b-1-d&q=jasp+agate
Separate names with a comma.
