Of circular form, set with white with grey Monstrose agate, the three silver
intertwining circles are finely engraved. The back shows a pin, hinge and C
clasp. Each circle has a diameter of 40.0cm, the brooch measures 1-1/4" wide x
1-1/8" tall. Weighs 16 DWTS = 24.9 Grams TW
Monstrose Agate – White with grey streaks. Montrose Area. Montrose Area. The
agate-bearing locations along the eastern side of Scotland lie within the old
counties of Kincardine, Angus, Perth and Fife.