Depending upon the conditions, either nucleation or growth may be predominant over the other, and as a result, crystals with different sizes and shapes are obtained (Control of crystal size and shape constitutes one of the main challenges in industrial manufacturing, such as for pharmaceuticals).
For the region, see San Fernando Valley. San Fernando is a city located in the San Fernando Valley, in the northwestern region of Los Angeles County, California. It is completely surrounded by the City of Los Angeles.
San Fernando Valley Population. San Fernando Valley Guide > Factoids > Population. The San Fernando Valley is home to close to two million people and makes up over half of the land that falls within the borders of the City of Los Angeles.