Orthoclase with a lattice pattern inclusions of llmenite and Hematite. The inclusions are actually dark but when light hits the stone at just the right angels it shines with beautiful iridescence! Harts Range, Australia
AEGIRINE with Quartz / Orthoclase (Sodium-Iron Silicate) from Mount Malosa, Zomba District, Malawi. Black-green aegirine crystals protrude from a base of white orthoclase feldspar. Smoky quartz crystals protrude to the right.
An orthoclase feldspar of exceptional quality, the present stone has rare hematite inclusions which align themselves in an interwoven “lattice” pattern and display an iridescent phenomenon or aventurescence. 42.15 carats.