Just like the shell of a clam, a pearl is composed of calcium carbonate (mainly aragonite or a mixture of aragonite and calcite). in minute crystalline form, which has been deposited in concentric layers. The ideal pearl is perfectly round and smooth, but many other shapes, known as baroque pearls, can occur.
Rimula is a genus of fungi in the Helotiales order. The relationship of this taxon to other taxa within the order is unknown (incertae sedis), and it has not yet been placed with certainty into any family. ^ Lumbsch TH, Huhndorf SM. (December 2007). Outline of Ascomycota â 2007.
Include This Versatile Vegetable in Pasta, Pizza or Salads. Arugula (pronounced ah-ROO-ga-la) is a type of leaf vegetable with a slightly bitter, peppery flavor. You may also have seen it referred to as rocket, rucola and rugula. Because it grows in the Mediterranean region, arugula is used widely in Italian cuisine. You can serve arugula cooked, as in pasta or pizza.