Lanthanum is considered a rare earth metal because the process to mine it is difficult, time-consuming and expensive. Lanthanum is rarely the dominant lanthanide found in the rare earth minerals, and in their chemical formulae it is usually preceded by cerium. Rare examples of La-dominant minerals are monazite-(La) and lanthanite-(La).
If time is important, you should use Expedited or Rush Processing. Rush Processing (in states where available) Time to process your corporation or LLC formation varies by state with routine processing taking 4 - 6 weeks or even more in the slowest states. In states where it is available, Rush Processing will reduce the time to form your business to about 2 - 3 business days.
The Texas Secretary of State is in charge of filing Texas LLCs, and it will take about 3-5 days to process your LLC certificate of formation if you file by mail or fax. You can learn more at How to Start a Texas LLC.