Maw-sit-sit is Myanmar’s electric-green secret: a rock of kosmochlor, jadeite and albite from a single area near Tawmaw in the jade country, streaked black on vivid chrome green. Named only in 1963, it remains one of the most distinctive materials in the jade family’s orbit.Every maw-sit-sit at GEMIC Institute is natural, certified in our Siem Reap laboratory and photographed exactly as offered. Unique pieces; worldwide tracked delivery with a 30-day inspection period.