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
Wedding cake topper Wedding cake topper A wedding cake topper is a small model that sits on top of a wedding cake, normally a representation of the couple in formal wedding attire. The wedding cake topper was dominant in United States weddings in the 1950s where it represented togetherness. Today, these decorative figurines are often part of the couple's decorative theme or wedding reception style. Traditional wedding cake toppers depict the couple in formal attire and are often the only part of the cake which can be kept over the years, apart from photographs of it. While traditionally the bride and groom were