Tin bent, a crackling sound known as the "tin cry" can be heard from the twinning of the crystals. Tin melts at low temperatures of about , the lowest in group 14. The melting point is further lowered to for 11 nm particles. β-tin (the metallic form, or white tin, BCT structure), which is stable at and above room temperature, is malleable. In contrast, α-tin (nonmetallic form, or gray tin), which is stable below , is brittle. α-tin has a diamond cubic crystal structure, similar to diamond, silicon or germanium. α-tin has no metallic properties at all because its atoms form
Bengali Muslim wedding traditional wedding is arranged by Ghotoks (matchmakers), who are generally friends or relatives of the couple, or sometimes just professional matchmakers. The Ghotoks facilitate the couple's introduction to the wedding guests, and are given special gifts called "Ghotokbidae" (lit., "bidding goodbye to the Ghotoks") if the alliance is agreed upon and the marriage is realized. Families traditionally seek their children's matches from the same caste, religion and social standing. In the case of an arranged marriage, if the aforementioned 'compatibility' factors are duly matched, only then is the pairing deemed a raj-jotak (an ideal match). Nowadays (as arranged marriages are