This granite pegmatite illustrates the growth of extremely large crystals from a magma. It is composed of large feldspar (white) and biotite mica (silver-black) crystals in a groundmass of small crystals of quartz (gray), microcline, and albite (both white).his granite pegmatite illustrates the growth of extremely large crystals from a magma. It is composed of large feldspar (white) and biotite mica (silver-black) crystals in a groundmass of small crystals of quartz (gray), microcline, and albite (both white).
Maintenance Mechanic in Los Angeles Salary. A Maintenance Mechanic in Los Angeles, California earns an average wage of $22.11 per hour. The highest paying skills associated with this job are Equipment Maintenance, Troubleshooting, Industrial Hydraulics, Plumbing, and Maintenance. Most people in this job have more than five years' experience in related jobs.
Key Findings: 1  The average commute time for suburban workers in the greater Los Angeles area is 28.44 minutes each way. 2  The average car insurance premium for drivers in the Los Angeles area is $1,088.44. 3  On average, workers in Palmdale face a commute that is almost twice as long as workers in Costa Mesa.