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.
The San Fernando Mission was founded on September 8, 1797, and named for Saint Ferdinand III, King of Spain in the 1200s. Five Indian boys and five Indian girls were baptized at the San Fernando Mission that day. Reyes was a patron of the formal dedication and the godfather of the first child baptized.