2.1" Smoky Quartz Sphere Sparkling Natural Polished Crystal Morion Ball Cairngorm Mineral Stone - India + Plastic Stand (#2) You will receive exactly this Smoky Quartz Sphere - 54mm / 2 1/8 Inches Diameter; 225g / 7.9 oz (see photo, the photos are taken under bright light, stand included)! Smoky quartz is a color variety of crystalline quartz. It ranges from a light yellowish brown to a brown that is so dark that is appears to be black. Less desirable specimens have a grayish-brown color. When cut as a gem, stones with an orangish brown to a reddish brown color are preferred by many people. Black smoky quartz is referred to as morion. Formula: SiO2; Color: Gray, Brown, Black; Mohs scale hardness: 7; Quartz is the most abundant and widely distributed mineral found at Earth's surface. It is present and plentiful in all parts of the world. It forms at all temperatures. It is abundant in igneous, metamorphic and sedimentary rocks. It is highly resistant to both mechanical and chemical weathering. This durability makes it the dominant mineral of mountaintops and the primary constituent of beach, river and desert sand. Quartz is ubiquitous, plentiful and durable. (The above information is provided solely for informational purpose. Kindly note that all stones are offered for decorative purposes only. Please, handle your stones with great care, do not grind or crumble them, do not dip or add them into your food or drink, do not use any parts of them in any elixirs, potions, lotions etc. Always make sure you wash your hands before and after working with your crystals.)