Quartz Crystal with Petroleum Inclusions - Pakistan

Contributed by: Chris Clemens
Date: Apr 29th, 2026
Locality: Balochistan, Pakistan (See on Mindat)
Size: 26 mm

Description:
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 longwave. The length of the crystal is 26 mm.

Originally posted by Chris Clemens on Nature's Rainbows in 2017.

Fluorescence under shortwave UV light.

Fluorescence under longwave UV light.

Normal light.

Summary of luminescence responses:

Quartz (Mindat) (RRUFF)

• Fluorescence under Longwave (365nm LED) UV light: Blue
• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Blue