HZ > Time zone difference > USA and South Korea. Time difference between USA and South Korea is: +13:0 hours. South Korea is 13:0 hours ahead of USA. That means when it is 1:00 am in Washington DC USA, it is 2:00 pm in Seoul South Korea (same calendar day).
The name apatite is derived from Greek meaning âto deceiveâ likely because it was often mistaken for other, more valuable gemstones, like peridot, tourmaline, and emerald. Apatite is found in igneous, sedimentary, and metamorphic rock, but only the latter grows larger crystals suitable for jewelry.patite is a soft stone, and can be very brittle. Apatite is a mineral that sits at a five on the Mohs Scale. Most commonly seen in green tones, it can also bee found in yellows, pinks, browns, violets, and blues.
Although apatite is a very common mineral, transparent gemstone-quality apatite is extremely rare. Despite apatite being the defining mineral for 5 on the Mohs scale of mineral hardness, it remains virtually unknown to most consumers and is seldom found in jewelry stores.