The density of a coffee bean is often taken as a sign of quality, as a more dense bean will roast more with a better dynamic. The density of a coffee bean is often taken as a sign of quality, as a more dense bean will transfer heat differently that a “soft” bean, ie lower grown coffee with less density. The higher a coffee is grown, the more dense it is likely to be. Density can vary with varietyA botanical variety is a rank in the taxonomic hierarchy below the rank of species and subspecies and above the rank of form (form / variety / subspecies... ...more of coffee too. Coffee is sorted at originIn coffee talk, it refers to a coffee-producing region or country; such as, "I was just at origin." Of course "Origin" for most product we use is not... ...more by density, with the most dense beans graded as higher quality, and some defectIn coffee, a defect refers to specific preparation problems with the green coffee, or a flavor problem found in the cupping process. Bad seeds in the green coffee... ...more beans such as “quakers” (from unripe fruit) lacking density.