Frankincense - an ingredient of MyPlankton At its peak, frankincense value rivaled and was traded for gold, the rarest silks, and the most precious of gems. Ironically, it is but a milky-white resin produced by a scrubby, unlikely looking tree, genus Boswellia. Frankincense is tapped by slashing  the bark, which is called striping and allowing the exuded resin to bleed out and harden. These hardened resins are called tears. During ancient times, frankincense was considered more valuable than gold. It has been traded for at least 5000 years. Today, as in years past, frankincense, regardless of its origin is a [...]