Featured Need ID help on stone/material in brooch

Discussion in 'Jewelry' started by Jaime Riggs, Jan 21, 2020.

  1. Jaime Riggs

    Jaime Riggs Well-Known Member

    This setting in this tested positive for sterling. I can't decide if the stone is a mineral or glass. It has some places that look like it has been ground flat, I don't know how to explain this, not rough, almost like pieces have been flaked or chiseled off. Thanks for any help. 20191212_153740.jpg 20191212_153807.jpg 20191212_153817.jpg 20191212_153832.jpg
    BMRT, Any Jewelry, kyratango and 2 others like this.
  2. Hollyblue

    Hollyblue Well-Known Member

    Agate with a chip,probably dropped onto a hard surface.
  3. evelyb30

    evelyb30 Well-Known Member

    Seconded. Banded agate.
    judy and kyratango like this.
  4. Any Jewelry

    Any Jewelry Well-Known Member

    It is a lovely ca 1900 brooch, banded agate as the others said.
    It looks like there could be a small mark (fineness, assay, maker) on the C-clasp.

    Someone has been messing with the hinge, the two flaps sticking out should be straight, parallel to each other. You can bend them back gently using small pliers, make sure you cover the silver with a cloth so it doesn't get scratched.
    BMRT and judy like this.
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