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
15th Anniversary Best Live History DVD Book 15th Anniversary Best Live History DVD Book 15th Anniversary Best Live History DVD Book (stylized as "15th Anniversary BEST LIVE HISTORY DVD BOOK") is the first compilation DVD book released by Japanese R&B-turned-pop singer Koda Kumi. The DVD book ranked #1 on the Rakuten Books Weekly Ranking in the pop/rock division. The DVD book was available nationwide in bookstores and convenience stores. "15th Anniversary Best Live History DVD Book" is the first compilation DVD book released by Japanese singer-songwriter Koda Kumi on March 26, 2015 and published by Takarajimasha. Due to the compilation being advertised as a DVD book and