Lindane lotion should be used with caution for infants, children, the elderly, and individuals with other skin conditions (e.g, atopic dermatitis, psoriasis) and in those who weigh < 110 lbs (50 kg) as they may be at risk of serious neurotoxicity.
Although other metallic minerals may mimic magnetiteâs color, luster, hardness and specific gravity, magnetite is the only common mineral that is magnetic. So a magnet is usually all that is needed to identify its presence. Magnetite crystals usually only occur when magma cools slowly enough for crystals to form and settle out of the magma.
Every mineral has a characteristic luster, but some minerals may have a different luster on different specimens. There is no scientific method to determine luster. Often, determining the luster of a particular specimen is personal; to some it may appear as one type of luster, and to others as a different type.itchy-Minerals with a tar-like appearence have a pitchy luster. Minerals with a pitchy luster are usually radioactive and have gone through the process of metamiction. Waxy-A waxy luster describes a mineral that appears as if it were coated with a layer wax.