Petroleum included Quartz, Madirobe, Tsaratanana, Mahajanga, Madagascar

Lustrous quartz point with bright blue fluorescent petroleum inclusions. The petroleum is bright yellow when seen under regular light. The blue fluorescence is much less common than the yellowish green fluorescence seen in the majority of crystals from the firefly quartz find. 

Madirobe, Tsaratanana, Mahajanga, Madagascar

1.1x4.3x.9cm approx