Quartz

Crochet
Thread ?
First 2 rounds = 5 cm
1.25 mm
300 yards (274 m)
18" x 12" (45 x 31 cm)
both US and UK
English

Size 20 crochet cotton.

Advanced. Motifs A and B with chain loops joined into a complex shape. Charted with some written instructions.

Pattern 12, page 26 in Magic Crochet.
Shown on back cover of Crochet Monthly.