They can be produced by chemical effects (as in eutectic solidification), biological means, or a deliberate process of lamination, such as pattern welding.
In mycology, a lamella (or gill) is a papery hymenophore rib under the cap of some mushroom species, most often agarics.
[3] In textile industry, a lamella is a thin metallic strip used alone or wound around a core thread for goldwork embroidery and tapestry weaving.
[4] In September 2010, the U.S. Food and Drug Administration (FDA) announced a recall of two medications which contained "extremely thin glass flakes (lamellae) that are barely visible in most cases.
The lamellae result from the interaction of the formulation with glass vials over the shelf life of the product.