COASTAL FLOOD WATCH: Issued when there is a potential for at least moderate tidal flooding in the next one to two days. The chance for moderate, major, or record flooding levels triggers a coastal flood watch.
The false blister beetles, cardinal beetles, and soldier beetles also produce cantharidin. It is a poisonous blistering agent and can cause severe chemical burns. However, these same properties make it effective as a topical medication.
Because of corundum's hardness (pure corundum is defined to have 9.0 Mohs), it can scratch almost every other mineral. It is commonly used as an abrasive on everything from sandpaper to large machines used in machining metals, plastics, and wood.orundum from Brazil, size about 2 cm Ã 3 cm (0.8 in Ã 1 in). Corundum occurs as a mineral in mica schist, gneiss, and some marbles in metamorphic terranes. It also occurs in low silica igneous syenite and nepheline syenite intrusives.