Figures of the Article

• Appearance characteristics of petroleum-bearing quartz crystal samples
• Micromorphological characteristics of petroleum-bearing quartz crystals
• The yellow inclusions in petroleum-bearing quartz crystals emitting blue-white and yellow-white fluorescence under LW ultraviolet light
• Inclusions in petroleum-bearing quartz crystals
• Raman spectrum of the substrate of petroleum-bearing quartz
• Raman spectra of inclusions in petroleum-bearing quartz crystals
• Infrared spectra of samples and the yellow liquid phase in three-phase inclusions
• Composition of multi-phase inclusions