The Collaborative International Dictionary of English v.0.48:

Peridot \Per"i*dot\, n. [F. p['e]ridot.] (Min.)
   Chrysolite.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chrysolite \Chrys"o*lite\, n. [L. chrysolithos, Gr. ?; chryso`s
   gold + ? stone: cf. F. chrysolithe.] (Min.)
   A mineral, composed of silica, magnesia, and iron, of a
   yellow to green color. It is common in certain volcanic
   rocks; -- called also olivine and peridot. Sometimes used
   as a gem. The name was also early used for yellow varieties
   of tourmaline and topaz.
   [1913 Webster]

WordNet (r) 3.0 (2006):

peridot
    n 1: a pale green variety of chrysolite; used as a gemstone

U.S. Gazetteer Places (2000):

Peridot, AZ -- U.S. Census Designated Place in Arizona
   Population (2000):    1266
   Housing Units (2000): 346
   Land area (2000):     5.219606 sq. miles (13.518718 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    5.219606 sq. miles (13.518718 sq. km)
   FIPS code:            54190
   Located within:       Arizona (AZ), FIPS 04
   Location:             33.303884 N, 110.455046 W
   ZIP Codes (1990):     85542
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Peridot, AZ
    Peridot