This is a Crochet Star Applique, made of lace mohair-silk yarn.
You can use other types of yarn with different size crochet hook, but the size of the Star and the shape witll vary.

Materials recommended:
Any Silk- Mohair lace yarn
The Star in the photos is made with Viking Garn Kid Silk.
Crochet Hook N: 0.75mm

You can use any left overs of 5-10 yards.