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.
- Variety of the Apatite group where the phosphate radical (PO4) is partially replaced by a carbonate radical (CO3). It has a chemical formula of Ca5(PO4,CO3)3(OH,F). Also known as Carbonate-rich Apatite. Chlorapatite. - Individual member mineral of the Apatite group with chlorine being dominant in its structure. For a short period of time, it was renamed by the IMA as Apatite-(CaCl), but is now again favored again as Chlorapatite.