I asked if they were from Mogok, and the answer was equally surprising: No. They were from Namya, a ruby and spinel deposit located east of the jade mine at Hpakant in the Kachin state of Myanmar, ...

Marble-hosted ruby and spinel deposits represent the foremost source of colored gems in Central and Southeast Asia (Garnier et al., 2008). They are contained in a series of platform carbonates that ...