Smokey Quartz is a popular variety of quartz crystal known for its smoky gray to brownish-black color. It is a transparent to translucent gemstone with a vitreous luster and belongs to the quartz mineral family. Smokey Quartz gets its distinctive hue from natural radiation and the presence of aluminum impurities within the crystal lattice.
Here are some key features and facts about Smokey Quartz:
- Color and Appearance: Smokey Quartz ranges in color from pale gray to deep brown or black. The intensity of the color can vary depending on the amount of irradiation and the presence of impurities. The stone is typically transparent, but it can also be translucent.
- Hardness: Smokey Quartz has a hardness of 7 on the Mohs scale, making it relatively durable and suitable for use in jewelry.