Crystal structure "white tin" respectively. Two more allotropes, γ and σ, exist at temperatures above 161 °C and pressures above several GPa. White tin is metallic, and is the stable crystalline form at or above room temperature. Below 13.2 °C, tin exists in the gray form, which has a diamond cubic crystal structure, similar to diamond, silicon or germanium. Gray tin has no metallic properties at all, is a dull gray powdery material, and has few uses, other than a few specialized semiconductor applications. Although the α–β transformation temperature of tin is nominally 13.2 °C, impurities (e.g. Al, Zn, etc.) lower the
Russian wedding traditions his love, but the bride's family will demand a more significant ransom to be paid. Upon satisfaction with the ransom given, the bride's family gives away the bride to the groom. The bride and groom have the option to have a traditional ceremony in a church. In Russian, it is called the "venchanie". The wedding ceremony takes place in a church and is divided into two parts: the "Betrothal" and the "Crowning". The service traditionally takes place in the morning after the celebration of the Divine Liturgy, during which the wedding rings were blessed by being placed on the Holy