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.
Data source below is the new Census Tiger Zip Code data. San Diego zip code database below is sorted by city and zip code. Find zip codes for these cities and communities in San Diego County, California: San Diego, Carlsbad, Encinitas, Escondido Zip Codes. Alpine 91901.