It's the law.https://www.doi.gov/iacb/act
yes
Mosaic opal are triplets,a base layer,opal layer and "glass" cap.
Could be a false teeth training model.
They were wood for hundreds of years.
It's a marlin spike.
heat crackled quartz
They look like modern Chinese fake dzi beads.
Are you using a computer? Most have photo editing programs.
Really can't tell what the stones are from the photos,guess would be glass or smoky quartz.
Someone made a dancer with scrap left over Halloween material.
The chain is twisted wire like what is on the pendant. [MEDIA]
There is a long list of misleading gemstones..... https://www.gemsociety.org/article/list-false-misleading-gemstone-names/
White buffalo turquoise is a trade name,the material is magnesite and alumite.
Looks like a page turner.
A synthetic can test the same as a natural stone,a visual test for inclusions but some synthetics have the same inclusions as natural stones.
There are thousands of maker's marks in the USA which are not registered,the piece could have been made anywhere.
It looks like there are casting bubbles all over the face and hair.What is at the outside of the shank bottom?If it is cast it would be solid gold...
Shine a light down inside the well,looks like something was stamped there.
Simple,the law states there is no requirement to put a quality mark on pieces. But if you do it also requires a federal registered...
Separate names with a comma.