Locality: Blackstone Mine, New Diggings area mines, Lafayette County, Wisconsin, USA.
Calcite: Blackstone Mine, Shullsburg area, Lafayette Co., Wisconsin, USA
ANTIQUE SILVER & MARCASITE LORGNETTE FOLDING SILVER GLASSES IN CASE
Sterling Silver Black Onyx & Marcasite Teardrop Pendant Floral Design
Antique Germany ART DECO Ornate Sterling Silver BLACK ONYX MARCASITE Ring Sz 6
Beautiful Old Ring, 935 SILVER With Marcasite
ART DECO-STYLE LORGNETTE 835 SILVER & MARCASITE FOLDING GLASSES
