The most visible inclusion is the petroleum trapped in the cavities within the Quartz. Some move some stationary. The colour is yellow or slightly brown. Many of the crystals will also host black and brown Asphaltite. It fluorescences bright blue under long wave UV which make it one of the sought after crystal.
Dimension: L3.7 x B1.8 x H1 cm Weight: 14 g
The picture shows are the representative of what is being sold. The one you will be getting may not be the same pieces as displayed. The real colour of the item may be slightly different form the picture shown on website. This is due to factors such as brightness of the monitor or lighting condition when picture is taken. If no measurement or comparison indicator is shown or mentioned, the size is usually less than 5 by 5 cm.