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.
Los Angeles area households paid an average of 18.4 cents per kilowatt hour (kWh) of electricity in February 2017, less than the 21.3 cents per kWh paid in February 2016. The average cost of utility (piped) gas at $1.182 per therm in February was more than the $1.152 per therm spent last year.