Question: is milky quartz a mineral?
Answer: Milky Quartz is a mineral with a hardness of 7 out of 10 on the Mohs scale of mineral hardness [?]. These Trigonally structured gems are made of silicon dioxide, their full chemical compound being SiO2. Milky Quartz is a milky white translucent to opaque variety of crystalline quartz of somewhat greasy luster.