Petroleum included Quartz, Madirobe, Tsaratanana, Mahajanga, Madagascar

Petroleum included quartz point from the firefly quartz find in Madagascar. This specimen has a really neat bubble that moves quickly and freely through a roughly triangular shaped negative crystal inside the termination. 

Madirobe, Tsaratanana, Mahajanga, Madagascar

1.1x4.1x1cm approx