Natural Fluorescent Herkimer Style Petroleum Quartz Crystal Specimen – 31 mm, 2.9 g – Yunnan/Guizhou, China – UV Luminescence

• A natural petroleum quartz crystal specimen measuring 31 mm and weighing 2.9 g.

• Originating from Yunnan / Guizhou, China.

• This crystal features distinct multi-terminated structures containing natural petroleum inclusions and exhibits a bright blue luminescence when exposed to ultraviolet (UV) light.

• Suitable for mineral specimen collections and display.

Specifications:

• Dimensions: 31 mm

• Weight: 2.9 g

• Origin: Yunnan / Guizhou, China

• Specimen Type: Natural Fluorescent Herkimer Style Petroleum Quartz Crystal Specimen

• Optical Effect: UV Light Blue Fluorescent Reaction

Photo & Sizing Note:

• Images display the specimen under daylight and ultraviolet (UV) illumination.

• Photos were captured using an iPhone 17 paired with an external macro lens without color filters or digital alterations.