Quartz Crystal with Petroleum Inclusions, from Pakistan


This single, double terminated Herkimer diamond-like, quartz crystals is from Pakistan.  It is a beautiful little specimen when viewed under natural lighting, but explodes with bright blue/white fluorescence under UV due to numerous internal petroleum (oil) inclusions that glow brightly under UV.  The fluorescence is similar under all UV wavelengths, but is a little warmer under long wave.  The length of the crystal is 26 mm.

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