FibroinĀ is an insolubleĀ proteinĀ present inĀ silkĀ produced by numerous insects
Fibroin is an insoluble protein present in silk produced by numerous insects, such as the larvae of Bombyx mori, and other moth genera such as Antheraea, Cricula, Samia and Gonometa. Silk in its raw state consists of two main proteins, seri
Oltu stone aka black amber, a kind of jet
Oltu stone (Turkish: Oltu taÅı) is a kind of jet found in the region around Oltu town within Erzurum Province, eastern Turkey. The organic substance is used as semi-precious gemstone in manufacturing jewellery. Location and extraction Oltu stone, s
Crouching Hu Po, Hidden Long Gu?
What is Hu Po succinum or amber? When it comes to amber, also known as succinum in Latin and Hu Po in Mandarin, everyone seems know it well that this is a beautiful stone with a variety of colors, such as golden, yellow, orange-red, green, blue, and black. Whatās more, among them the cle

