Carbonado in the pores that are common in carbonados, they may have been introduced after carbonado formation. Inclusions of other minerals, rare or nearly absent in the Earth's crust, are found at least partly incorporated in diamond, not just in pores: among such other minerals are those with compositions of Si, SiC, and Fe‑Ni. No distinctive high-pressure minerals, including the hexagonal carbon polymorph, lonsdaleite, have been found as inclusions in carbonados, although such inclusions might be expected if carbonados formed by meteorite impact. Isotope studies have yielded further clues to carbonado origin. The carbon isotope value is very low (little carbon‑13
My Boyfriend Is Type B male, which supposedly makes him arrogant, hardheaded, and generally a jerk, whereas Ha-mi is a type-A female, one who supposedly can't help being timid and obedient. But while Chae-young predicts impending doom, the happy couple try to give love a shot, ignoring their supposed blood type incompatibility. My Boyfriend Is Type B My Boyfriend is Type B () is a 2005 South Korean romantic comedy film. The basic premise of the film comes from the blood type personality theory, which claims that a person's blood type can determine their personality traits. The heroine is type A (conservative and introverted) while