Golden rutilated quartz. Image from Etsy.

Rutilated quartz is variety of quartz which contains inclusions of acicular golden needles of the mineral rutile. #MinCup24 #Quartz #QuartzIsCool

#MinCup24 #Quartz #QuartzIsCool

This bubble is in liquid inside of a negative crystal which is in a quartz cabochon host. In other words, a two-phase inclusion that happens to be in a negative crystal. (Photos: Wimon Manorotkul)

Since the minerals, liquids, and gases are well protected from chemical alteration, quartz inclusions open a window to the past can help scientists reconstruct the chemical and physical conditions that existed when the rock formed. #MinCup24 #Quartz #QuartzIsCool #inclusions